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Subject: Compendium of Measures to Prevent Disease Associated with Animals in Public Settings, 2007 </P><P>National Association of State Public Health Veterinarians, Inc. (NASPHV)
Date: Tue, 9 Sep 2008 14:04:07 -0400
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      <H1 align=3Dcenter><FONT color=3D#0b3d91>Compendium of Measures to =
Prevent=20
      Disease Associated with Animals in Public Settings, 2007=20
      <P></P>
      <H3 align=3Dcenter>National Association of State Public Health=20
      Veterinarians, Inc. (NASPHV)</FONT></H3></H1>
      <P></P>
      <P align=3Dcenter>Prepared by NASPHV=20
      <H3 align=3Dcenter><B><I><FONT =
color=3D#0b3d91>Summary</FONT></I></B> </H3>
      <P></P>
      <P><FONT size=3D2>This report has been endorsed by CDC, the =
Council of State=20
      and Territorial Epidemiologists, and the American Veterinary =
Medical=20
      Association. The material in this report originated in the =
Coordinating=20
      Center for Infectious Diseases, Mitch Cohen MD, Director; and the =
Division=20
      of Foodborne, Bacterial, and Mycotic Diseases, David Warnock PhD,=20
      Director. </FONT></P>
      <P><B><FONT size=3D2>Corresponding preparer:</FONT></B><FONT =
size=3D2> J.B.=20
      Bender DVM, Co-chair, NASPHV Animal Contact Compendium Committee,=20
      University of Minnesota, Veterinary Public Health, 136F Andrew =
Boss, 1354=20
      Eckles Avenue, St. Paul, MN 55108, Telephone: 612-625-6203; Fax:=20
      612-624-4906; E-mail: bende002@umn.edu.</FONT> </P>
      <P></P>
      <P><I>Certain venues encourage or permit the public to contact =
animals,=20
      resulting in millions of human-animal interactions each year. =
These=20
      settings include county or state fairs, petting zoos, animal swap =
meets,=20
      pet stores, zoologic institutions, circuses, carnivals, farm =
tours,=20
      livestock-birthing exhibits, educational exhibits at schools, and =
wildlife=20
      photo opportunities. Although multiple benefits of human-animal =
contact=20
      exist, infectious diseases, rabies exposures, injuries, and other =
human=20
      health problems associated with these settings are possible. =
Infectious=20
      disease outbreaks reported during the previous decade have been =
caused by=20
      </I>Escherichia coli<I> O157:H7, </I>Salmonella<I>,=20
      </I>Cryptosporidium<I>, </I>Coxiella burnetii<I>, =
</I>Mycobacterium=20
      tuberculosis<I>, ringworm, and other pathogens. Such incidents =
have=20
      substantial medical, public health, legal, and economic effects. =
</P>
      <P>This report provides recommendations for public health =
officials,=20
      veterinarians, animal venue staff, animal exhibitors, visitors to =
animal=20
      venues, physicians, and others concerned with minimizing risks =
associated=20
      with animals in public settings. The recommendation to wash hands =
is the=20
      single most important prevention step for reducing the risk for =
disease=20
      transmission. Other critical recommendations are that venues not =
allow=20
      food in animal areas, venues include transition areas between =
animal areas=20
      and nonanimal areas, visitors be educated about disease risk and=20
      prevention procedures, and animals be properly cared for and =
managed.</I>=20
      <H3 align=3Dcenter><B><FONT =
color=3D#0b3d91>Introduction</FONT></B> </H3>
      <P></P>
      <P>Contact with animals in public settings (e.g., fairs, farm =
tours,=20
      petting zoos, and schools) provides opportunities for =
entertainment and=20
      education. However, inadequate understanding of disease =
transmission and=20
      animal behavior can increase the likelihood of infectious =
diseases, rabies=20
      exposures, injuries, and other health problems among visitors, =
especially=20
      children, in these settings. Zoonotic diseases (i.e., zoonoses) =
are=20
      diseases transmitted from animals to humans. Of particular concern =
are=20
      instances in which large numbers of persons become ill. Since =
1991,=20
      approximately 50 human infectious disease outbreaks involving =
animals in=20
      public settings have been reported to CDC (<I>1</I>). During the =
preceding=20
      10 years, an increasing number of enteric disease outbreaks =
associated=20
      with animals in public settings (e.g., fairs and petting zoos) =
have been=20
      reported (<I>1</I>). </P>
      <P>The National Association of State Public Health Veterinarians =
(NASPHV)=20
      understands the positive benefits of human-animal contact. =
Although=20
      eliminating all risk from animal contacts is not possible, this =
report=20
      provides recommendations for minimizing disease and injury. </P>
      <P>NASPHV recommends that local and state public health, =
agricultural,=20
      environmental, and wildlife agencies use these recommendations to=20
      establish their own guidelines or regulations for reducing the =
risk for=20
      disease from human-animal contact in public settings. Multiple =
venues=20
      exist where public contact with animals is permitted (e.g., animal =

      displays, petting zoos, animal swap meets, pet stores, zoological=20
      institutions, nature parks, circuses, carnivals, farm tours,=20
      livestock-birthing exhibits, county or state fairs, schools, and =
wildlife=20
      photo opportunities). Persons responsible for managing these =
venues should=20
      use the information in this report to reduce risk for disease=20
      transmission. </P>
      <P>Guidelines to reduce risks for disease from animals in =
health-care and=20
      veterinary facilities and from service animals (e.g., guide dogs) =
have=20
      been developed (<I>2--5</I>). These settings are not specifically=20
      addressed in this report, although the general principles and=20
      recommendations are applicable to these settings.=20
      <H3 align=3Dcenter><B><FONT color=3D#0b3d91>Methods</FONT></B> =
</H3>
      <P></P>
      <P>NASPHV periodically reviews the "Compendium of Measures to =
Prevent=20
      Disease Associated with Animal in Public Settings". This includes=20
      reviewing recent literature; updating reported outbreaks, =
diseases, or=20
      injuries attributed to human-animal interactions in a public =
setting; and=20
      soliciting comments or suggestions from the NASPHV membership and=20
      questions posed by the public. During November 27--29, 2006, =
NASPHV=20
      members and external expert consultants met at CDC in Atlanta, =
Georgia.=20
      The first day of the meeting was dedicated to reviewing scientific =

      information regarding recent outbreaks, associated risk factors, =
pathogen=20
      biology, and interventional studies. A moderated discussion of =
each=20
      section of the recommendations was conducted. The committee =
reviewed=20
      scientific evidence and expert opinion in revising the document. A =

      committee consensus was needed to add or modify existing language =
or=20
      recommendations.=20
      <H3 align=3Dcenter><B><FONT color=3D#0b3d91>Enteric (Intestinal)=20
      Diseases</FONT></B> </H3>
      <P></P>
      <P>Infections with enteric bacteria and parasites pose the highest =
risk=20
      for human disease from animals in public settings (<I>6</I>). =
Healthy=20
      animals can harbor human enteric pathogens. Many of these =
organisms have a=20
      low infectious dose (<I>7--9</I>). Because of the popularity of =
animal=20
      venues, a substantial number of persons might be exposed. Illness =
and=20
      outbreaks of enteric diseases among visitors to fairs, farms, and =
petting=20
      zoos are well documented. Pathogens responsible for outbreaks =
include=20
      <I>Escherichia coli</I> O157:H7 and other Shiga toxin-producing =
<I>E. coli=20
      </I>(STEC), <I>Campylobacter, Salmonella</I>, and =
<I>Cryptosporidium</I>=20
      (<I>10--22</I>). Although reports often document cattle, sheep, or =
goats=20
      as sources for infection, poultry (<I>23--26</I>), rodents=20
      (<I>25--27</I>), and other domestic and wild animals also are =
potential=20
      sources. </P>
      <P>The primary mode of transmission for enteric pathogens is =
fecal-oral.=20
      Because animal fur, hair, skin, and saliva (<I>28</I>) can become=20
      contaminated with fecal organisms, transmission can occur when =
persons=20
      pet, touch, feed, or are licked by animals. Transmission has =
occurred from=20
      fecal contamination of food, including raw milk (<I>29--31</I>), =
sticky=20
      foods (e.g., cotton candy [<I>32</I>]), and water (<I>33--35</I>). =
Illness=20
      also has been associated with contaminated clothing and shoes=20
      (<I>11,17</I>), animal bedding, flooring, barriers, and other=20
      environmental surfaces (<I>15,17,25,36--38</I>). </P>
      <P>Animals carrying enteric organisms pathogenic to humans (e.g., =
STEC,=20
      <I>Salmonella</I>, and <I>Campylobacter</I>) frequently exhibit no =
signs=20
      of illness and can shed these pathogens intermittently. Removing =
ill=20
      animals (especially those with diarrhea) is necessary but not =
sufficient=20
      to protect animal and human health. Animals that appear to be =
healthy=20
      often shed pathogens that contaminate the environment (<I>39</I>). =
Some=20
      pathogens live for months or years in the environment =
(<I>40--44</I>).=20
      Because of intermittent shedding and limitations of laboratory =
tests,=20
      culturing fecal specimens or attempting to identify, screen, and =
remove=20
      infected animals might reduce, but will not eliminate, the risk =
for=20
      transmission. Antimicrobial treatment of animals cannot reliably =
eliminate=20
      infection and shedding of enteric pathogens or prevent =
reinfection. </P>
      <P>Multiple factors increase the probability of disease =
transmission at=20
      animal exhibits. Animals are more likely to shed pathogens because =
of=20
      stress induced by prolonged transportation, confinement, crowding, =
and=20
      increased handling by persons (<I>45--51</I>). Commingling =
increases the=20
      probability that animals shedding organisms will infect other =
animals=20
      (<I>52</I>). The prevalence of certain enteric pathogens is often =
higher=20
      in young animals (<I>53--55</I>), which are frequently used in =
petting=20
      zoos and educational programs. Shedding of STEC and =
<I>Salmonella</I> is=20
      highest in the summer and fall when substantial numbers of =
traveling=20
      animal exhibits, agricultural fairs, and petting zoos are =
scheduled=20
      (<I>50,55,56</I>). </P>
      <P>The risk for infections is increased by certain human factors =
and=20
      behaviors, especially in children. These factors include lack of =
awareness=20
      of the risk for disease, inadequate hand washing, lack of close=20
      supervision, and hand-to-mouth activities (e.g., use of pacifiers, =

      thumb-sucking, and eating) (<I>57</I>). Children are particularly=20
      attracted to animal venues and have increased risk for serious =
infections.=20
      </P>
      <P>The layout and maintenance of facilities and animal exhibits =
also can=20
      affect the risk for infection (<I>58</I>). Risk factors include =
inadequate=20
      hand-washing facilities (<I>59</I>), structural deficiencies =
associated=20
      with temporary food-service facilities (<I>12,14,17</I>), =
inappropriate=20
      flow of visitors, and incomplete separation between animal =
exhibits and=20
      food preparation and consumption areas (<I>60</I>). Other factors =
include=20
      contaminated or inadequately maintained drinking water and sewage- =
or=20
      manure-disposal systems (<I>33--35,38</I>).=20
      <H4><B>Lessons from Outbreaks</B> </H4>
      <P></P>
      <P>In 2000, two <I>E. coli</I> O157:H7 outbreaks in Pennsylvania =
and=20
      Washington prompted CDC to establish recommendations for enteric =
disease=20
      prevention associated with farm animal contact. Risk factors =
identified in=20
      both outbreaks were direct animal contact and inadequate hand =
washing=20
      (<I>60,61</I>). In the Pennsylvania outbreak, 51 persons (median =
age: 4=20
      years) became ill within 10 days after visiting a dairy farm. =
Eight (16%)=20
      of these patients acquired hemolytic uremic syndrome (HUS), a =
potentially=20
      fatal consequence of STEC infection. The same strain of <I>E. =
coli</I>=20
      O157:H7 was isolated from cattle, patients, and the farm =
environment. In=20
      addition to the reported cases, an increased number of diarrhea =
cases in=20
      the community were attributed to visiting the farm. An assessment =
of the=20
      farm environment determined that no areas existed for eating and =
drinking=20
      separate from the animal contact areas, and the limited =
hand-washing=20
      facilities were not configured for children (<I>60</I>). </P>
      <P>The protective effect of hand washing and the persistence of =
organisms=20
      in the environment were demonstrated in an outbreak of =
<I>Salmonella</I>=20
      infections at a Colorado zoo in1996. A total of 65 cases (most =
among=20
      children) were associated with touching a wooden barrier around a=20
      temporary Komodo dragon exhibit. Children who were not ill were=20
      substantially more likely to have washed their hands after =
visiting the=20
      exhibit. <I>Salmonella</I> was isolated from 39 patients, a Komodo =
dragon,=20
      and the wooden barrier (<I>17</I>). </P>
      <P>In 2005, an <I>E. coli </I>O157:H7 outbreak among 63 patients,=20
      including seven who had HUS, were associated with multiple fairs =
in=20
      Florida. Both direct animal contact and contact with sawdust or =
shavings=20
      were associated with illness (<I>12</I>). Persons who reported =
feeding=20
      animals were at increased risk. Among persons who washed their =
hands after=20
      leaving the animal area, using soap and water was protective for =
those who=20
      created a lather (<I>62</I>). Drying hands on clothes increased =
the risk=20
      for illness. Persons were less likely to become ill if they =
reported=20
      washing their hands before eating or drinking or were aware of the =
risk=20
      for illness before visiting the fair. </P>
      <P>During 2000--2001 at a Minnesota children's farm day camp, =
washing=20
      hands with soap after touching a calf and washing hands before =
going home=20
      were protective factors in two outbreaks involving multiple =
enteric=20
      organisms. A total of 84 illnesses were documented among =
attendees.=20
      Implicated organisms for the human infections were <I>E. coli =
</I>O157:H7,=20
      <I>Cryptosporidium parvum</I>, non-O157 STEC, S<I>almonella =
enterica=20
      </I>serotype Typhimurium, and <I>Campylobacter jejuni</I>. These =
organisms=20
      and <I>Giardia</I> were isolated from calves. Risk factors for =
children=20
      included caring for an ill calf and getting visible manure on =
their hands=20
      (<I>20</I>). </P>
      <P>Enteric pathogens can contaminate the environment and persist =
in animal=20
      housing areas for long periods. For example, <I>E. coli</I> =
O157:H7 can=20
      survive in soil for months (<I>38,40,42,63</I>). Prolonged =
environmental=20
      persistence of pathogens was documented in an Ohio outbreak in =
2001 of=20
      <I>E. coli </I>O157:H7 infections in which 23 persons became ill =
at a fair=20
      after handling sawdust, attending a dance, or eating and drinking =
in a=20
      barn where animals were exhibited during the previous week =
(<I>38</I>).=20
      Fourteen weeks after the fair, <I>E. coli </I>O157:H7 was isolated =
from=20
      multiple environmental sources within the barn, including sawdust =
on the=20
      floor and dust on the rafters. Forty-two weeks after the fair, =
<I>E. coli=20
      </I>O157:H7 was recovered from sawdust on the floor. In 2004, an =
outbreak=20
      of <I>E. coli </I>O157:H7 infection was associated with attendance =
at the=20
      North Carolina State Fair goat and sheep petting zoo (<I>12</I>). =
Health=20
      officials identified 108 patients, including 15 who had HUS. The =
outbreak=20
      strain was isolated from the animal bedding 10 days after the fair =
was=20
      over, and from the soil 5 months after the animal bedding and =
topsoil were=20
      removed (<I>58</I>). In 2003, a total of 25 persons acquired <I>E. =
coli=20
      </I>O157:H7 at a Texas agricultural fair. The strain isolated from =

      patients also was found in environmental samples 46 days after the =
fair=20
      ended (<I>15</I>). </P>
      <P>Transmission can occur even in the absence of direct animal =
contact if=20
      the pathogen is disseminated in the environment. In an Oregon =
county fair=20
      outbreak, 60 cases occurred, mostly among children (<I>25</I>). =
Illness=20
      was associated with visiting an exhibition hall that housed goats, =
sheep,=20
      pigs, rabbits, and poultry; however, illness was not associated =
with=20
      touching animals or their pens, eating, or inadequate hand =
washing. The=20
      same organism was recovered from ill persons and the building.=20
      Transmission of <I>E. coli</I> O157:H7 from contaminated dust was=20
      implicated in two outbreaks in Ohio and Oregon (<I>25,38</I>). =
</P>
      <P>Improper facility design and inadequate maintenance might =
increase=20
      risk, as illustrated by one of the largest waterborne outbreaks in =
the=20
      United States (<I>34,35</I>). In 1999, approximately 800 suspected =
cases=20
      of <I>E. coli</I> O157:H7 and <I>Campylobacter </I>infection<I> =
</I>were=20
      identified among attendees of a New York county fair where the =
water and=20
      sewage systems had deficiencies. Temporary facilities are =
particularly=20
      vulnerable to design flaws (<I>12,17</I>). Such venues include =
those that=20
      add an animal display or petting zoo for the purpose of attracting =

      children to zoos, festivals, roadside attractions, farm stands,=20
      pick-your-own-produce farms, and Christmas tree lots. In 2005, an =
<I>E.=20
      coli</I> O157:H7 outbreak in Arizona was associated with a =
temporary=20
      petting zoo at a municipal zoo (<I>12</I>). Child care and school =
field=20
      trips to a pumpkin patch with a petting zoo resulted in 44 cases =
of <I>E.=20
      coli</I> O157:H7 infection in British Columbia (<I>14</I>). The =
same=20
      strain of<I> E. coli </I>was found both in children and in a =
petting zoo=20
      goat. Running water and signage recommending hand washing were not =

      available, and alcohol hand sanitizers were at a height that was=20
      unreachable for some children. A total of 163 persons became ill =
with=20
      STEC<I> </I>O111:H8 and/or <I>Cryptosporidium</I> at a New York =
farm stand=20
      that sold unpasteurized apple cider and had a petting zoo with =
three=20
      calves (<I>64</I>). </P>
      <P>Several outbreaks have occurred because of failure to =
understand and=20
      properly implement disease-prevention recommendations. Following a =

      Minnesota outbreak of cryptosporidiosis with 31 ill students at a =
school=20
      farm program, specific recommendations provided to teachers were=20
      inadequately implemented (<I>18</I>). A subsequent outbreak =
occurred with=20
      37 illnesses. Hand-washing procedures were inadequate (e.g., only =
water=20
      available, crowding at sink, and drying hands on clothes). =
Coveralls and=20
      boots were dirty, cleaned infrequently, and removed after =
hand-washing. In=20
      addition, inadequate hand washing and cleaning of contact surfaces =

      resulted in an outbreak of salmonellosis associated with =
dissection of owl=20
      pellets in elementary schools (<I>65</I>).=20
      <H4><B>Sporadic Infections</B> </H4>
      <P></P>
      <P>Although not identified as part of recognized outbreaks, =
sporadic=20
      infections have been associated with animal environments. A study =
of=20
      sporadic <I>E. coli </I>O157:H7 infections in the United States =
determined=20
      that patients, especially children, were more likely than healthy =
persons=20
      to have visited a farm with cows (<I>66</I>). Additional studies =
also=20
      documented an association between <I>E. coli</I> O157:H7 infection =
and=20
      visiting a farm (<I>67</I>) or living in a rural area (<I>68</I>). =
Studies=20
      of human cryptosporidiosis have documented contact with cattle or =
visiting=20
      farms as risk factors for infection (<I>69--71</I>). A =
case-control study=20
      identified multiple factors, including raw milk consumption and =
contact=20
      with farm animals, associated with<I> Campylobacter</I> infection=20
      (<I>72</I>). In other studies, farm residents were at a lower risk =
for=20
      infection with <I>Cryptosporidium</I> (<I>71</I>) and <I>E. =
coli</I>=20
      O157:H7 (<I>73</I>) than farm visitors, presumably because the =
residents=20
      had acquired immunity as a result of their early and frequent =
exposure to=20
      these organisms. However, livestock exhibitors became infected =
with <I>E.=20
      coli </I>O157:H7 in at least one fair outbreak (<I>15</I>).=20
      <H3 align=3Dcenter><B><FONT color=3D#0b3d91>Additional Health=20
      Concerns</FONT></B> </H3>
      <P></P>
      <P>Although enteric diseases are the most commonly reported =
illnesses=20
      associated with animals in public settings, other health risks are =
of=20
      concern. For example, allergies can be associated with animal =
dander,=20
      scales, fur, feathers, body wastes (e.g., urine), and saliva=20
      (<I>74--76</I>). Additional health concerns addressed in this =
report=20
      include injuries, rabies exposures, and other infections.=20
      <H4><B>Injuries</B> </H4>
      <P></P>
      <P>Injuries associated with animals in public settings include =
bites,=20
      kicks, falls, scratches, stings, crushing of the hands or feet, =
and being=20
      pinned between the animal and a fixed object. These injuries have =
been=20
      associated with big cats (e.g., tigers), monkeys, and other =
domestic and=20
      zoo animals. The settings have included public stables, petting =
zoos,=20
      traveling photo opportunities, schools, children's parties, and =
animal=20
      rides (M. Eidson, DVM, New York State Department of Health, =
personal=20
      communication, 2003; J.B. Bender, DVM, University of Minnesota, =
personal=20
      communication, 2003; M.T. Jay-Russell, DVM, California Department =
of=20
      Health, personal communication, 2003; G.L. Swinger, DVM, Tennessee =

      Department of Health, personal communication, 2003). For example, =
a Kansas=20
      teenager was killed while posing for a photograph with a tiger =
being=20
      restrained by its handler at an animal sanctuary (<I>77</I>).=20
      <H4><B>Rabies Exposures</B> </H4>
      <P></P>
      <P>Contact with rabid mammals can expose persons to rabies virus =
through=20
      bites or contamination of mucous membranes, scratches, or other =
wounds=20
      with infected saliva or nervous tissue. Although no human rabies =
deaths=20
      caused by animal contact in public exhibits have been recorded, =
multiple=20
      rabies exposures have occurred, requiring extensive public health=20
      investigation and medical follow-up. For example, thousands of =
persons=20
      have received rabies postexposure prophylaxis (PEP) after being =
exposed to=20
      rabid or potentially rabid animals (including cats, goats, bears, =
sheep,=20
      ponies, and dogs) at a variety of venues: a pet store in New =
Hampshire=20
      (<I>78</I>), a county fair in New York State (<I>79</I>), petting =
zoos in=20
      Iowa (<I>80,81</I>) and Texas (J. Wright, Texas Department of =
Health,=20
      personal communication, 2004), and school and rodeo events in =
Wyoming=20
      (<I>59</I>). Substantial public health and medical care challenges =

      associated with potential mass rabies exposures include difficulty =
in=20
      identifying and contacting persons, correctly assessing exposure =
risks,=20
      and providing timely medical prophylaxis. Prompt assessment and =
treatment=20
      are critical to prevent this disease, which is usually fatal.=20
      <H4><B>Other Infections</B> </H4>
      <P></P>
      <P>Multiple bacterial, viral, fungal, and parasitic agents have =
been=20
      associated with animal contact. These organisms are transmitted =
through=20
      various modes. Infections from animal bites are common and =
frequently=20
      require extensive treatment or hospitalization. Bacterial =
pathogens=20
      associated with animal bites include <I>Pasteurella</I>,=20
      <I>Francisella</I> <I>tularensis (82)</I>, <I>Staphylococcus</I>,=20
      <I>Streptococcus</I>, <I>Capnocytophaga canimorsus</I>, =
<I>Bartonella=20
      henselae</I> (cat-scratch disease), and <I>Streptobacillus=20
      moniliformis</I> (rat-bite fever). Certain monkey species =
(especially=20
      macaques) kept as pets or used in public exhibits can be infected =
with=20
      herpes B virus, either asymptomatically or with mild oral lesions. =
Human=20
      exposure through monkey bites or bodily fluids can result in a =
fatal=20
      meningoencephalitis (<I>83,84</I>). </P>
      <P>Skin contact with animals in public settings is also a public =
health=20
      concern. In 1995, a total of 15 cases of ringworm (club lamb =
fungus)=20
      caused by <I>Trichophyton</I> species and <I>Microsporum =
gypseum</I> were=20
      documented among owners and family members who exhibited lambs in =
Georgia=20
      during a show season (<I>85</I>). Ringworm in 23 persons and =
multiple=20
      animal species was traced to a <I>Microsporum canis</I> infection =
in a=20
      hand-reared zoo tiger cub (<I>86</I>). Orf virus infection =
(contagious=20
      ecthyma or sore mouth) has occurred following contact with sheep =
at a=20
      public setting (E. Lederman, CDC, personal communication, 2006). =
In=20
      addition, orf virus infection has been described in goats and =
sheep at a=20
      children's petting zoo (<I>87</I>) and in a lamb used for an =
Easter photo=20
      opportunity (M. Eidson, New York State Department of Health, =
personal=20
      communication, 2003). After handling various species of infected =
exotic=20
      animals, a zoo attendant experienced an extensive papular skin =
rash from a=20
      cowpox-like virus (<I>88</I>). In 2003, multiple cases of =
monkeypox=20
      occurred among persons who had contact with infected prairie dogs =
either=20
      at a child care center (<I>89,90</I>) or a pet store (J.J. =
Kazmierczak,=20
      Wisconsin Department of Health and Family Services, personal=20
      communication, 2004). </P>
      <P>Ecto- and endoparasites pose concerns when humans and exhibit =
animals=20
      interact. <I>Sarcoptes scabiei</I> is a skin mite that infests =
humans and=20
      animals, including swine, dogs, cats, foxes, cattle, and coyotes =
(<I>91,=20
      92</I>). Although human infestation from animal sources is usually =

      self-limiting, skin irritation and itching might occur for =
multiple days=20
      and can be difficult to diagnose (<I>92,93</I>). Animal flea bites =
to=20
      humans increase the risk for infection or allergic reaction. In =
addition,=20
      fleas can carry a tapeworm species that can infect children who=20
      unintentionally swallow the flea (<I>94,95</I>). Animal parasites =
also can=20
      infect humans who ingest soil or other materials contaminated with =
animal=20
      feces. Parasite control through veterinary care and proper =
husbandry=20
      combined with hand washing reduces the risks associated with ecto- =
and=20
      endoparasites (<I>96</I>). </P>
      <P>Tuberculosis (TB) is another disease of concern in certain =
animal=20
      settings. In 1996, a total of 12 circus elephant handlers at an =
exotic=20
      animal farm in Illinois were infected with <I>Mycobacterium=20
      tuberculosis,</I> and one handler had signs consistent with active =
disease=20
      after three elephants died of TB. Medical history and testing of =
the=20
      handlers indicated that the elephants had been a probable source =
of=20
      exposure for most of the human infections (<I>97</I>). During =
1989--1991=20
      at a zoo in Louisiana, seven animal handlers who were previously =
negative=20
      for TB tested positive after a <I>Mycobacterium bovis</I> outbreak =
in=20
      rhinoceroses and monkeys (<I>98</I>). In 2003, the U.S. Department =
of=20
      Agriculture (USDA) developed guidelines regarding removal of =
TB-infected=20
      animals from public contact as a result of concerns over the risk =
for=20
      exposure to the public (<I>99</I>). </P>
      <P>Zoonotic pathogens also can be transmitted by direct or =
indirect=20
      contact with reproductive fluids, aborted fetuses, or newborns =
from=20
      infected dams. Live-birthing exhibits, usually involving livestock =
(e.g.,=20
      cattle, pigs, goats, or sheep), are popular at agricultural fairs. =

      Although the public usually does not have direct contact with =
animals=20
      during birthing, newborns and their dams are frequently available =
for=20
      petting afterwards. Q fever (<I>Coxiella burnetii</I>), =
leptospirosis,=20
      listeriosis, brucellosis, and chlamydiosis are serious zoonoses =
that can=20
      be acquired through contact with reproductive materials =
(<I>100</I>). </P>
      <P><I>Coxiella burnetii</I> is a rickettsial organism that most =
frequently=20
      infects cattle, sheep, and goats. The disease can cause abortion =
in=20
      animals, but more frequently the infection is asymptomatic. During =

      birthing, infected animals shed substantial numbers of organisms =
that=20
      might become aerosolized. Most persons exposed to <I>C. =
burnetii</I>=20
      develop an asymptomatic infection, but clinical illness can range =
from an=20
      acute influenza-like illness to life-threatening endocarditis. A Q =
fever=20
      outbreak involving 95 confirmed patients and 41 hospitalizations =
was=20
      linked to goats and sheep giving birth at petting zoos in indoor =
shopping=20
      malls (<I>101</I>). Indoor-birthing exhibits might pose an =
increased risk=20
      for Q fever transmission attributed to inadequate ventilation. =
</P>
      <P><I>Chlamydophila psittaci</I> infections cause respiratory =
disease=20
      (commonly called psittacosis) and are usually acquired from =
psittacine=20
      birds (<I>102</I>). For example, an outbreak of <I>C. psittaci</I> =

      pneumonia occurred among the staff at the Copenhagen, Zoological =
Garden=20
      (<I>103</I>). On rare occasions, chlamydial infections acquired =
from=20
      sheep, goats, and birds result in reproductive problems in humans=20
      (<I>102,104,105</I>).=20
      <H3 align=3Dcenter><B><FONT =
color=3D#0b3d91>Recommendations</FONT></B> </H3>
      <P></P>
      <P>Guidelines from multiple organizations contributed to the=20
      recommendations in this report (<I>106--108</I>). No federal laws =
in the=20
      United States address the risk for transmission of pathogens at =
venues=20
      where the public has contact with animals. Certain states have =
specific=20
      legislation for venues where animals are present in public =
settings=20
      (<I>59,61,109--111</I>). In 2005, after a state fair outbreak, =
North=20
      Carolina passed a law requiring agricultural fairs to obtain a =
permit from=20
      the Department of Agriculture for all animal exhibits open to the =
public=20
      (<A=20
      =
href=3D"http://www.ncleg.net/Sessions/2005/Bills/Senate/html/S268v4.html"=
>http://www.ncleg.net/Sessions/2005/Bills/Senate/html/S268v4.html</A>).=20
      </P>
      <P>Certain federal agencies and associations in the United States =
have=20
      developed standards, recommendations, and guidelines for venues =
where=20
      animals are present in public settings. The Association of Zoos =
and=20
      Aquariums has accreditation standards for reducing risk for animal =
contact=20
      with the public in zoologic parks (<I>112</I>). In accordance with =
the=20
      Animal Welfare Act, USDA licenses and inspects certain animal =
exhibits for=20
      humane treatment of animals; however, the act is not intended for =
human=20
      health protection. In 2001, CDC issued guidelines to reduce the =
risk for=20
      infection with enteric pathogens from farm visits (<I>61</I>). CDC =
also=20
      has issued recommendations for preventing transmission of=20
      <I>Salmonella</I> from reptiles to humans (<I>113</I>). The =
Association=20
      for Professionals in Infection Control and Epidemiology (APIC) =
developed=20
      guidelines to address risks associated with the use of service =
animals in=20
      health-care settings (<I>2</I>).=20
      <H4><B>Recommendations for Local, State, and Federal Agencies</B> =
</H4>
      <P></P>
      <P>Communication and cooperation among human and animal health =
agencies=20
      should be enhanced and include cooperative extension offices. =
Additional=20
      research should be conducted into the risk factors and effective=20
      prevention and control methods for health issues associated with =
animal=20
      contact. To improve use of these recommendations, agencies should: =
</P>
      <UL>
        <LI>Disseminate this report to venue operators. Most states do =
not have=20
        a complete list of animal contact venues (<I>59</I>). States =
should=20
        strive to develop a complete list to facilitate dissemination of =

        recommendations.=20
        <LI>Disseminate educational and training materials to venue =
operators=20
        and other interested persons. Material formats could include =
PowerPoint=20
        slide presentations, videos, and written guidelines=20
        (<I>109,110,114</I>).=20
        <LI>Encourage or require oversight to ensure compliance with=20
        recommendations at animal contact venues. </LI></UL>
      <P></P>
      <P>To evaluate and improve these recommendations, surveillance for =
health=20
      issues associated with animal contact should be enhanced. Agencies =
should:=20
      </P>
      <UL>
        <LI>Conduct thorough epidemiologic investigations of outbreaks.=20
        <LI>Include questions about exposure to animals and their =
environment on=20
        disease report forms and outbreak investigation questionnaires.=20
        <LI>Follow appropriate protocols for sampling of humans, =
animals, and=20
        the environment and for testing and subtyping of isolates.=20
        <LI>Report outbreaks to state health departments and CDC. =
</LI></UL>
      <H4><B>Recommendations for Education</B> </H4>
      <P></P>
      <P>Education is essential to reduce risks associated with animal =
contact=20
      in public settings. Experience from outbreaks suggests that =
visitors=20
      knowledgeable about potential risks are less likely to become ill=20
      (<I>12</I>). Even in well-designed venues with operators who are =
aware of=20
      the risks for disease, outbreaks can occur when visitors do not =
understand=20
      and apply disease-prevention recommendations. </P>
      <P>Venue operators should: </P>
      <UL>
        <LI>Know the risks for disease and injury associated with =
animals and be=20
        able to explain risk-reduction measures to staff and visitors.=20
        <LI>Be familiar with and implement the recommendations contained =
in this=20
        report.=20
        <LI>Consult with state and local agencies and county extension =
agents on=20
        implementation of the recommendations.=20
        <LI>Develop or obtain training and education materials and train =
staff.=20
        <LI>Assure that visitors receive educational messages before =
they enter=20
        the exhibit, including information that animals can cause =
injuries or=20
        carry organisms that can cause serious illness (<A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a2.htm">Appendix=20
        A</A> and <A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a3.htm">B</A>).=20
        <LI>Provide information in a simple and easy-to-understand =
format that=20
        is age- and language-appropriate.=20
        <LI>Provide information in multiple formats (e.g., signs, =
stickers,=20
        handouts, and verbal information).=20
        <LI>Provide information to persons arranging school field trips =
or=20
        classroom exhibits so they can educate participants before the =
visit.=20
        <BR>&nbsp;</LI></UL>
      <P>Venue staff should: </P>
      <UL>
        <LI>Know the risks for disease and injury associated with =
animals and be=20
        able to explain risk-reduction recommendations to visitors.=20
        <LI>Assure that visitors receive educational messages.=20
        <LI>Encourage compliance by the public with risk-reduction=20
        recommendations, especially compliance with hand-washing =
procedures (<A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a4.htm">Appendix=20
        C</A>) as the visitors exit animal areas.=20
        <LI>Comply with local and state requirements for reporting =
animal bites,=20
        scratches, or other injuries. </LI></UL>
      <H4><B>Recommendations for Managing Public and Animal Contact</B> =
</H4>
      <P></P>
      <P>The recommendations in this report were developed for settings =
in which=20
      direct animal contact is encouraged (e.g., petting zoos) and in =
which=20
      animal contact is possible (e.g., county fairs). They should be =
tailored=20
      to specific settings and incorporated into guidelines and =
regulations=20
      developed at the state or local level. The public's contact with =
animals=20
      should occur in settings where measures are in place to reduce the =

      potential for injuries or disease transmission and to increase the =

      probability that incidents or problems identified with animal =
contact=20
      settings will be reported, documented, and handled appropriately. =
</P>
      <P>The design of facilities and animal pens (<A=20
      =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a1.htm#fig">Figure=
</A>)=20
      should minimize the risk associated with animal contact, including =
contact=20
      with manure, and should encourage hand washing (<A=20
      =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a4.htm">Appendix=20
      C</A>). The design of facilities or contact settings might include =
double=20
      barriers to prevent contact with animals or contaminated surfaces =
except=20
      for specified interaction areas. Temporary exhibits should be =
carefully=20
      planned, designed, and managed to avoid problems identified from =
previous=20
      outbreaks. Common problems include inadequate barriers, floor =
surfaces=20
      that are difficult to keep clean, insufficient plumbing, and =
inadequate=20
      hand-washing facilities (<I>12,17,34,35</I>). Specific guidelines =
might be=20
      necessary for certain settings (i.e., schools [<A=20
      =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a5.htm">Appendix=20
      D</A>]). </P>
      <P>Recommendations for cleaning procedures also should be tailored =
to the=20
      specific situation. All surfaces should be cleaned thoroughly to =
remove=20
      organic matter before disinfection. A 1:32 dilution of household =
bleach=20
      (e.g., half a cup of bleach per gallon of water) is needed for =
basic=20
      disinfection. Quaternary ammonium compounds (e.g., =
Roccal<SUP>=AE</SUP> or=20
      Zephiran<SUP>=AE</SUP>) also can be used per the manufacturer =
label. For=20
      disinfection when a particular organism has been identified, =
additional=20
      guidance is available at <A=20
      =
href=3D"http://www.cfsph.iastate.edu/BRM/resources/disinfectants/Disinfec=
tion101Feb2005.pdf">http://www.cfsph.iastate.edu/BRM/resources/disinfecta=
nts/Disinfection101Feb2005.pdf</A>.=20
      All compounds require a contact time of <U>&gt;</U>10 minutes. =
</P>
      <P>The venue should be divided into three types of areas: =
nonanimal areas=20
      (areas in which animals are not permitted, with the exception of =
service=20
      animals), transition areas (located at both entrances and exits to =
animal=20
      areas), and animal areas (where animal contact is possible or =
encouraged)=20
      (<A=20
      =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a1.htm#fig">Figure=
</A>).=20
      </P>
      <P><B>Nonanimal Areas</B> </P>
      <P>Nonanimal areas are those in which animals are not permitted. =
</P>
      <UL>
        <LI>Do not permit animals, except service animals, in nonanimal =
areas.=20
        <LI>Prepare, serve, and consume food and beverages only in =
nonanimal=20
        areas.=20
        <LI>Provide hand-washing facilities and display hand-washing =
signs where=20
        food or beverages are served (<A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a4.htm">Appendix=20
        C</A>). </LI></UL>
      <P></P>
      <P><B>Transition Areas Between Nonanimal and Animal Areas</B> </P>
      <P>Establishing transition areas through which visitors pass when =
entering=20
      and exiting animal areas is critical. One-way visitor flow is =
preferred=20
      with separate entrance and exit points. The transition areas =
should be=20
      designated as clearly as possible, even if they must be conceptual =
rather=20
      than physical (<A=20
      =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a1.htm#fig">Figure=
</A>).=20
      </P>
      <P>Entrance transition areas should be designed to facilitate =
education.=20
      </P>
      <UL>
        <LI>Post signs or otherwise notify visitors that they are =
entering an=20
        animal area.=20
        <LI>Instruct visitors not to eat, drink, smoke, place their =
hands in=20
        their mouth, or use bottles or pacifiers while in the animal =
area.=20
        <LI>Exclude strollers, food, and beverages (establish storage or =
holding=20
        areas for these items).=20
        <LI>Control visitor traffic to avoid overcrowding. </LI></UL>
      <P></P>
      <P>Exit transition areas should be designed to facilitate hand =
washing.=20
      </P>
      <UL>
        <LI>Post signs or otherwise instruct visitors to wash their =
hands.=20
        <LI>Provide accessible hand-washing stations for all visitors, =
including=20
        children and persons with disabilities (<A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a1.htm#fig">Figure=
</A>).=20

        <LI>Position venue staff near exits to encourage compliance with =
hand=20
        washing. </LI></UL>
      <P></P>
      <P><B>Animal Areas</B> </P>
      <UL>
        <LI>Provide adequate ventilation for both animals =
(<I>115</I>)<SUP>=20
        </SUP>and humans.=20
        <LI>Exclude food and beverages. Animal feed and water should not =
be=20
        accessible to the public.=20
        <LI>Exclude toys, pacifiers, spill-proof cups, baby bottles, and =

        strollers.=20
        <LI>Prohibit smoking.=20
        <LI>Promptly remove manure and soiled animal bedding from animal =
areas.=20
        <LI>Store animal waste and specific tools for waste removal =
(e.g.,=20
        shovels and pitchforks) in designated areas restricted from =
public=20
        access.=20
        <LI>Avoid transporting manure and soiled bedding through =
nonanimal areas=20
        or transition areas. If this is unavoidable, take precautions to =
prevent=20
        spillage.=20
        <LI>Where feasible, disinfect animal areas (e.g., flooring and =
railings)=20
        at least once daily.=20
        <LI>Supervise children closely to discourage hand-to-mouth =
activities=20
        (e.g., thumb-sucking), contact with manure, and contact with =
soiled=20
        bedding. If hands become soiled, supervise hand washing.=20
        <LI>Assign trained staff to encourage appropriate human-animal=20
        interactions, to identify and remove potential risks for patrons =
(e.g.,=20
        by promptly cleaning up wastes), and to process reports of =
injuries and=20
        exposures.=20
        <LI>Allow feeding only when contact with animals is controlled =
(e.g.,=20
        with barriers).=20
        <LI>Do not provide animal feed in containers that can be eaten =
by=20
        persons (e.g., ice cream cones) to prevent children from eating =
food=20
        that has come into contact with animals.=20
        <LI>Use animals or animal products (e.g., animal pelts, animal =
waste,=20
        and owl pellets) (<I>65</I>) for educational purposes only in =
designated=20
        animal areas (<A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a1.htm#fig">Figure=
</A>).=20
        Animals and animal products should not be brought into school =
cafeterias=20
        and other food-consumption areas.=20
        <LI>Do not use animal areas for public (nonanimal) activities. =
Zoonotic=20
        pathogens can contaminate the environment for substantial =
periods of=20
        time (<I>38</I>). If animal areas must be used for public events =
(e.g.,=20
        weddings and dances), these areas should be cleaned and =
disinfected,=20
        particularly if food and beverages are served. Materials with =
smooth,=20
        impervious surfaces (e.g., steel, plastic, and sealed concrete) =
are=20
        easier to clean than other materials (e.g., wood or dirt =
floors). Remove=20
        organic material (e.g., bedding, feed, and manure) before using=20
        disinfectants.=20
        <LI>For animals in school classrooms, specific areas must be =
designated=20
        for animal contact (<A=20
        =
href=3D"http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5605a5.htm">Appendix=20
        D</A>). Designated animal areas must be thoroughly cleaned after =
use.=20
        Parents should be informed of the benefits and potential risks=20
        associated with animals in school classrooms. </LI></UL>
      <H4><B>Animal Care and Management</B> </H4>
      <P></P>
      <P>The risk for disease or injuries from animal contacts can be =
reduced by=20
      carefully managing the specific animals used for such contacts. =
These=20
      recommendations should be considered for management of animals in =
contact=20
      with the public. </P>
      <UL>
        <LI><B>Animal care:</B> Monitor animals daily for signs of =
illness, and=20
        ensure that animals receive appropriate veterinary care. Ill =
animals,=20
        animals known to be infected with a pathogen, and animals from =
herds=20
        with a recent history of abortion or diarrhea should not be =
exhibited.=20
        Animals should be housed to minimize stress and overcrowding, =
which can=20
        increase shedding of pathogens.=20
        <LI><B>Veterinary care:</B> Retain and use the services of a =
licensed=20
        veterinarian. Vaccination, preventive care, and parasite control =

        appropriate for the species should be provided. Certificates of=20
        veterinary inspection from an accredited veterinarian should be=20
        up-to-date according to local or state requirements for animals =
in=20
        public settings. A herd or flock inspection is a critical =
component of=20
        the health certificate process. Routine screening for diseases =
is not=20
        recommended, except for TB in elephants (<I>97-99</I>)<SUP> =
</SUP>and=20
        primates, and for Q fever in ruminants in birthing exhibits=20
        (<I>116,117</I>).=20
        <LI><B>Rabies:</B> All animals should be housed to reduce =
potential=20
        exposures from wild animal rabies reservoirs. Mammals should =
also be=20
        up-to-date on their rabies vaccinations (<I>118</I>). These =
steps are=20
        particularly critical in areas where rabies is endemic and in =
venues=20
        where animal contact is encouraged (e.g., petting zoos). Because =
of the=20
        extended incubation period for rabies, unvaccinated mammals =
should be=20
        vaccinated at least 1 month before they have contact with the =
public. If=20
        no licensed rabies vaccine exists for a particular species used =
in a=20
        setting where public contact occurs (e.g., goats, swine, llamas, =
and=20
        camels), consultation with a veterinarian is recommended =
regarding the=20
        off-label use of rabies vaccine. Use of off-label vaccine cannot =
provide=20
        the same level of assurance as vaccines labeled for use in =
particular=20
        species; however, off-label use of vaccine might provide =
protection for=20
        certain animals and thus decrease the probability of rabies=20
        transmission. Vaccinating slaughter-class animals before =
displaying them=20
        at fairs might not be feasible because of the vaccine withdrawal =
period=20
        that occurs as a result of antibiotics used as preservatives in =
certain=20
        vaccines. Mammals that are too young to be vaccinated should be =
used=20
        only if additional restrictive measures are available to reduce =
risks.=20
        These measures can include using only animals that were born to=20
        vaccinated mothers and housed to avoid rabies exposure.=20
        <LI><B>Dangerous animals:</B> Because of their strength,=20
        unpredictability, venom, or the pathogens that they might carry, =

        prohibit certain domestic, exotic, or wild animals in exhibit =
settings=20
        where a reasonable possibility of animal contact exists. Species =
of=20
        primary concern include nonhuman primates (e.g., monkeys and =
apes) and=20
        certain carnivores (e.g., lions, tigers, ocelots, =
wolves/wolf-hybrids,=20
        and bears). In addition, rabies-reservoir species (e.g., bats, =
raccoons,=20
        skunks, foxes, and coyotes) should not be used for direct =
contact.=20
        <LI><B>Animal births:</B> Ensure that the public has no contact =
with=20
        animal birthing by-products. In live-birth exhibits, the =
environment=20
        should be thoroughly cleaned after each birth, and all waste =
products=20
        should be properly discarded. Holding such events outside is =
preferable.=20
        If held indoors, ventilation should be maximized. </LI></UL>
      <H4><B>Additional Recommendations</B> </H4>
      <P></P>
      <UL>
        <LI><B>Populations at high risk:</B> Children aged &lt;5 years =
are at=20
        particularly high risk for serious infections. Other groups at =
increased=20
        risk include persons with waning immunity (e.g., older adults) =
and=20
        persons who are mentally impaired, pregnant, or =
immunocompromised (e.g.,=20
        persons with human immunodeficiency virus/acquired =
immunodeficiency=20
        syndrome, without a functioning spleen, or on immunosuppressive=20
        therapy). Persons at high risk should take precautions at any =
animal=20
        exhibit. In addition to thorough and frequent hand washing, =
heightened=20
        precautions could include avoiding contact with animals and =
their=20
        environment (e.g., pens, bedding, and manure). Animals of =
particular=20
        concern for transmitting enteric diseases include young =
ruminants, young=20
        poultry, reptiles, amphibians, and ill animals.=20
        <LI><B>Consumption of unpasteurized products:</B> Prohibit the=20
        consumption of unpasteurized dairy products (e.g., milk, cheese, =
and=20
        yogurt) and unpasteurized apple cider or juices.=20
        <LI><B>Drinking water:</B> Local public health authorities =
should=20
        inspect drinking water systems before use. Only potable water =
should be=20
        used for consumption by animals and humans. Back-flow prevention =
devices=20
        should be installed between outlets in livestock areas and water =
lines=20
        supplying other uses on the grounds. If the water supply is from =
a well,=20
        adequate distance should be maintained from possible sources of=20
        contamination (e.g., animal-holding areas and manure piles). =
Maps of the=20
        water distribution system should be available for use in =
identifying=20
        potential or actual problems. The use of outdoor hoses should be =

        minimized, and hoses should not be left on the ground. Hoses =
that are=20
        accessible to the public should be labeled "water not for human=20
        consumption." Operators and managers of these settings in which =
treated=20
        municipal water is not available should consider alternative =
methods for=20
        disinfection of their water supply or should consider methods to =

        disinfect their water supply. </LI></UL>
      <H3>References</B></H3>
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      <OL></OL>
      <P></P>
      <P align=3Dcenter><B>National Association of State Public Health=20
      Veterinarians, Inc., Committee</B> </P>
      <P><B><FONT size=3D2>Co-Chairpersons:</FONT></B><FONT size=3D2> =
Jeffrey B.=20
      Bender, DVM, MS, DACVPM, University of Minnesota, St. Paul, MN; =
Carina=20
      Blackmore, DVM, PhD, Florida Department of Health, Tallahassee, =
FL.=20
      </FONT></P>
      <P><B><FONT size=3D2>Members:</FONT></B><FONT size=3D2> John R. =
Dunn, DVM,=20
      PhD, Tennessee Department of Health, Nashville, TN; Kirk E. Smith, =
DVM,=20
      MS, PhD, Minnesota Department of Health, St. Paul, MN; James H. =
Wright,=20
      DVM, MPVM, DACVPM, Texas Department of State Health Services, =
Tyler, TX.=20
      </FONT></P>
      <P><B><FONT size=3D2>Consultants to the Committee:</FONT></B><FONT =
size=3D2>=20
      Casey Barton Behravesh, DVM, DrPH, CDC, Atlanta, GA; Sue K. =
Billings, DVM,=20
      MSPH, National Assembly of State Animal Health Officials; James E. =
Keen,=20
      DVM, PhD, U.S. Department of Agriculture, Washington, D.C.; John =
P.=20
      Huntley, DVM, MPH, Council on Public Health and Regulatory =
Veterinary=20
      Medicine, Schaumburg, IL; Timothy F. Jones, MD, Council of State =
and=20
      Territorial Epidemiologists, Atlanta, GA; Thomas P. Meehan, DVM,=20
      Association of Zoos and Aquariums, Silver Spring, MD. </FONT></P>
      <P></P><BR><B><A name=3Dfig>Figure</A></B><BR><BR><IMG =
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aD4TutBGOjSiIaToRT+n0Y6OtKQnTelKW/rSmJ50QAAAOw==

------=_NextPart_000_0000_01C91284.ECFDD150
Content-Type: image/gif
Content-Transfer-Encoding: base64
Content-Location: http://www.cdc.gov/mmwr/images/logo_dhhs.gif

R0lGODlhOgA0ALMAAIqKiqurq+Dg4trZ25iYmMfEy3l5ebKysmFhYVJSUtjV2m5scdDO0NPT0ycn
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mVshXd0yhyeUqcOlwMuX7B4Ue3s4zYAENmr4SxV5www/TJpFk1MaBNfWsGPLnk27tu3bfyMAADs=

------=_NextPart_000_0000_01C91284.ECFDD150
Content-Type: application/octet-stream
Content-Transfer-Encoding: base64
Content-Location: http://mtrics.cdc.gov/b/ss/cdcgov/1/G.5--NS/0?cl=Session

R0lGODlhAgACAIAAAP///wAAACH5BAEAAAAALAAAAAACAAIAAAIChFEAOw==

------=_NextPart_000_0000_01C91284.ECFDD150
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.cdc.gov/mmwr/scripts/scripts_reports.js

function sendIt()
{
  newwindow=3Dwindow.open(deRef + 'sendit_form.html','SendIt',           =
      =20
'scrollbars=3Dyes,resizable=3Dyes,status=3Dno,width=3D550,height=3D400,sc=
reenX=3D0,screenY=3D0,left=3D0,top=3D0,toolbar=3Dyes,menubar=3Dyes,locati=
on=3Dno');
                           =20
}=20


function openHelp()
{
  newwindow=3Dwindow.open(deRef + 'printhelp.html','PrintHelp',          =
       =20
'scrollbars=3Dyes,resizable=3Dyes,status=3Dno,width=3D630,height=3D270,sc=
reenX=3D0,screenY=3D0,left=3D0,top=3D0,toolbar=3Dyes,menubar=3Dno,locatio=
n=3Dno');
                           =20
} 
------=_NextPart_000_0000_01C91284.ECFDD150
Content-Type: application/octet-stream
Content-Transfer-Encoding: quoted-printable
Content-Location: http://www.cdc.gov/JScript/s_code.js

/************************ ADDITIONAL FEATURES ************************
     Plugins
*/
/************************** CONFIG SECTION **************************/
/* You may add or alter any code config here.                       */
/* Specify the life time of the cookie in seconds, or */
/* set to "Session" to turn off persistent cookies.   */
var s_cookieLifetime=3D"Session"
/* Variables (s_pageName, s_prop1, etc.) not prefixed with "s_" will not =
be used. */
var s_disableLegacyVars=3Dtrue
/* E-commerce Config */
var s_eVarCFG=3D""
/* Link Tracking Config */
var s_trackDownloadLinks=3Dtrue
var s_trackExternalLinks=3Dtrue
var s_trackInlineStats=3Dtrue
var =
s_linkDownloadFileTypes=3D"exe,zip,wav,mp3,mov,mpg,avi,doc,pdf,xls,rm,wmv=
,rtf,ppt,swf,prc,xml"
var =
s_linkInternalFilters=3D"javascript:,cdc,file:///,outbind,//www/,mid://,c=
dc"
var s_linkLeaveQueryString=3Dfalse
var s_linkTrackVars=3D"None"
var s_linkTrackEvents=3D"None"
/* Plugin Config */
var s_usePlugins=3Dtrue

function s_doPlugins() {
	var =
ds=3D["bam.gov","cdc.gov","5aday.gov","mid://","http://198.246.96.2","out=
bind:"];
	var dlh=3Ds_wd.location.href.toLowerCase();
	var cond=3Dfalse;
	for(var i=3D0;i<ds.length;i++) {
		if(dlh.indexOf(ds[i])!=3D-1) cond=3Dtrue;
	}
	if(cond=3D=3Dfalse) s_vpr("s_prop10",dlh);

	/* check for trade mark symbol */
	spn=3Descape(s_pageName);
	pn=3D(spn.indexOf('&trade;')!=3D-1)?spn.split('&trade;'):'';
	pn=3D(spn.indexOf('%u2122')!=3D-1)?spn.split('%u2122'):pn;
	pn=3D(spn.indexOf('%28tm%29')!=3D-1)?spn.split('%28tm%29'):pn;
	if(pn!=3D''){
		s_vp_stripTrade(pn);
	}
	if(!window.s_campaign)
		s_vp_getCGI('s_campaign','s_cid');

s_vp_getCustomPagePath("s_prop15",s_vp_getValue("s_campaign"),"s_p8","");=

}



/************************** PLUGINS SECTION *************************/
/* You may insert any plugins you wish to use here.                 */
/*
 * Plugin: Strip &trade; from s_pageName
 */
function s_vp_stripTrade(pn)
	{s_vpr("s_pageName",unescape(pn[0])+unescape(pn[1]));}
/*
 * Plugin: Get Plugin Modified Value
 */
function s_vp_getValue(vs)
	{var k=3Dvs.substring(0,2)=3D=3D's_'?vs.substring(2):vs;return s_wd[
	's_vpm_'+k]?s_wd['s_vpv_'+k]:s_gg(k)}
/*
 * Plugin: Get Query String CGI Variable Value
 */
function s_vp_getCGI(vs,k)
	{var v=3D'';if(k&&s_wd.location.search){var q=3Ds_wd.location.search,
	qq=3Dq.indexOf('?');q=3Dqq<0?q:q.substring(qq+1);v=3Ds_pt(q,'&',s_cgif,
	k)}s_vpr(vs,v)}function s_cgif(t,k){if(t){var te=3Dt.indexOf('=3D'),
	sk=3Dte<0?t:t.substring(0,te),sv=3Dte<0?'True':t.substring(te+1);if(
	sk=3D=3Dk)return s_epa(sv)}return ''}
/*
 * Plugin: Get Value From Cookie
 */
function s_vp_getCookie(vs,k)
	{s_vpr(vs,s_c_r(k))}
/*
 * Plugin: Set variable to value only once per time priod:
 *         (Min, Hour, Day, Month, Year)
 *         in the specified timezone (hour offset from GMT)
 */
function s_vp_setOncePer(vs,v,period,tzOffs)
	{if(v){var n=3Ds_dt(tzOffs,0),t,st=3Ds_vh_gt(vs,v);st=3Dst?st:0;if(
	!s_vh_s(vs,v))v=3D'';else if(st){t=3Ds_dt(tzOffs,st);var min=3D(
	=
n.getMinutes()=3D=3Dt.getMinutes()),hour=3D(n.getHours()=3D=3Dt.getHours(=
)
	=
),day=3D(n.getDate()=3D=3Dt.getDate()),mon=3D(n.getMonth()=3D=3Dt.getMont=
h()
	=
),year=3D(n.getYear()=3D=3Dt.getYear());if(period=3D=3D'Ever'||(year&&((
	=
period=3D=3D'Year')||(mon&&((period=3D=3D'Month')||(day&&((period=3D=3D'D=
ay'
	=
)||(hour&&((period=3D=3D'Hour')||(min&&period=3D=3D'Min')))))))))){v=3D''=
}}
	}s_vpr(vs,v)}
/*
 * Plugin: setAndPersistValue 0.1 - get a value on every page
 */
function s_vp_setAndPersistValue(vs,v,a){
	var l,e=3Dnew Date;if(v){e.setTime(e.getTime()+a*86400000);s_c_w(
	's_p_'+vs,v,a?e:a)};l=3Ds_c_r('s_p_'+vs);s_vpr(vs,l)}

/* Plugin: Custom Page Path v1.0 */
function s_vp_getCustomPagePath(s,v,c,p) {
var pn=3Ds_vp_getValue("s_pageName");
var t=3Dnew Date;t.setTime(t.getTime()+1800000);=20
if(v){if(s_c_w(c,v,t)){s_vpr(s,p+v+":"+pn)}}
else{v=3Ds_c_r(c);if(v){s_c_w(c,v,t);s_vpr(s,pn);}}
}

/*
 * Plugin: Get State Of Form On Abandon
 */
function s_vp_getFormAbandonState(vs,lt,ln)
	{if(!s_wd.s_vp_faolr){s_wd.s_vp_faol=3Ds_wd.onload;s_wd.onload=3D
	s_vp_fas;s_wd.s_vp_favs=3Dvs;s_wd.s_vp_falt=3Dlt;s_wd.s_vp_faln=3Dln
	s_wd.s_vp_faolr=3D1}}var s_vp_faolr=3D0;function s_vp_fas(e){var r=3D
	true;if(s_wd.s_vp_faol)r=3Ds_wd.s_vp_faol(e);if(s_d.forms&&
	s_d.forms.length>0){var vs=3Ds_wd.s_vp_favs,p=3Ds_gg('pageName'),fn,
	f,en,el,t,oc,och;for(fn=3D0;fn<s_d.forms.length;fn++){f=3Ds_d.forms[
	fn];if(vs&&!s_wd[vs])s_wd[vs]=3D(f.name?f.name:(p?p:''))
	+':No Data Entered';for(en=3D0;en<f.elements.length;en++){el=3D
	f.elements[en];t=3Del.type;if(t&&t.toUpperCase){t=3Dt.toUpperCase()
	oc=3Del.onclick?el.onclick.toString():'';och=3Del.onchange?
	el.onchange.toString():'';if(oc.indexOf("s_vp_fac(")<0&&
	=
och.indexOf("s_vp_fac(")<0){if(t=3D=3D'BUTTON'||t=3D=3D'CHECKBOX'||t=3D=3D=

	=
'RADIO'||t=3D=3D'RESET'||t=3D=3D'SUBMIT'||t=3D=3D'IMAGE'){el.s_vp_faoc=3D=

	el.onclick;if(((f.name&&oc.indexOf(f.name)>=3D0)||(oc.indexOf(
	'form.')>=3D0))&&oc.indexOf("submit(")>=3D0)el.onclick=3Ds_vp_fasu;else
	el.onclick=3Ds_vp_fac}else{el.s_vp_faoch=3Del.onchange;if(((f.name&&
	och.indexOf(f.name)>=3D0)||(och.indexOf('form.')>=3D0))&&och.indexOf(
	"submit(")>=3D0)el.onchange=3Ds_vp_fasu;else el.onchange=3Ds_vp_fac }}}
	}f.s_vp_faos=3Df.onsubmit;f.onsubmit=3Ds_vp_fasu}s_wd.s_vp_faul=3D
	s_wd.onunload;s_wd.onunload=3Ds_vp_fa}return r}function s_vp_fa(e){
	var vs=3Ds_wd.s_vp_favs;if(vs&&s_wd[vs]){s_lnk=3Dnew Object
	s_linkType=3Ds_wd.s_vp_falt;s_linkName=3Ds_wd.s_vp_faln;s_gs('')
	s_lnk=3D''}if(s_wd.s_ful)return s_wd.s_ful(e);return true}
	function s_vp_fasu(e){var vs=3Ds_wd.s_vp_favs;if(vs)s_wd[vs]=3D'';if(
	this.s_vp_faos)return this.s_vp_faos(e);if(this.s_vp_faoc)
	return this.s_vp_faoc(e);if(this.s_vp_faoch)
	return this.s_vp_faoch(e);return true}function s_vp_fac(e){var b=3D
	"s_gs(",vs=3Ds_wd.s_vp_favs,f=3Dthis.form,p=3Ds_gg('pageName');if(vs)
	s_wd[vs]=3D(f.name?f.name:(p?p:''))+':'+(this.name?this.name:'')
	if(this.s_vp_faoc)return this.s_vp_faoc(e);if(this.s_vp_faoch)
	return this.s_vp_faoch(e);return true}
/*
 * Plugin Utilities v2.0 (Required For All Plugins)
 */
function s_vpr(vs,v){if(s_wd[vs])s_wd[vs]=3Ds_wd[vs];else s_wd[vs]=3D''
if(vs.substring(0,2) =3D=3D =
's_')vs=3Dvs.substring(2);s_wd['s_vpv_'+vs]=3Dv
s_wd['s_vpm_'+vs]=3D1}function s_dt(tz,t){var d=3Dnew =
Date;if(t)d.setTime(
t);d=3Dnew Date(d.getTime()+(d.getTimezoneOffset()*60*1000))
return new Date(Math.floor(d.getTime()+(tz*60*60*1000)))}
function s_vh_gt(k,v){var =
vh=3D'|'+s_c_r('s_vh_'+k),vi=3Dvh.indexOf('|'+v
+'=3D'),ti=3Dvi<0?vi:vi+2+v.length,pi=3Dvh.indexOf('|',ti),t=3Dti<0?'':
vh.substring(ti,pi<0?vh.length:pi);return t}function s_vh_gl(k){var
vh=3Ds_c_r('s_vh_'+k),e=3Dvh?vh.indexOf('=3D'):0;return =
vh?(vh.substring(0,
e?e:vh.length)):''}function s_vh_s(k,v){if(k&&v){var e=3Dnew Date,st=3D
e.getTime(),y=3De.getYear(),c=3D's_vh_'+k,vh=3D'|'+s_c_r(c)+'|',t=3Ds_vh_=
gt(k,
v);e.setYear((y<1900?y+1900:y)+5);if(t)vh=3Ds_rep(vh,'|'+v+'=3D'+t+'|','|=
'
);if(vh.substring(0,1)=3D=3D'|')vh=3Dvh.substring(1);if(vh.substring(
vh.length-1,vh.length)=3D=3D'|')vh=3Dvh.substring(0,vh.length-1);vh=3Dv
+'=3D[PCC]'+(vh?'|'+vh:'');s_c_w(c,vh,e);if(s_vh_gt(k,v)!=3D'[PCC]')
return 0;vh=3Ds_rep(vh,'[PCC]',st);s_c_w(c,vh,e)}return 1}

/************* DO NOT ALTER ANYTHING BELOW THIS LINE ! **************/
var =
s_un,s_ios=3D0,s_q=3D'',s_code=3D'',code=3D'',s_bcr=3D0,s_lnk=3D'',s_eo=3D=
'',
s_vb,s_pl,s_tfs=3D0,s_etfs=3D0,s_wd=3Dwindow,s_d=3Ds_wd.document,s_ssl=3D=
(
s_wd.location.protocol.toLowerCase().indexOf('https')>=3D0),s_n=3D
navigator,s_u=3Ds_n.userAgent,s_apn=3Ds_n.appName,s_v=3Ds_n.appVersion,
s_apv,s_i,s_ie=3Ds_v.indexOf('MSIE '),s_ns6=3Ds_u.indexOf('Netscape6/')
if(s_v.indexOf('Opera')>=3D0||s_u.indexOf('Opera')>=3D0)s_apn=3D'Opera';v=
ar
s_isie=3D(s_apn=3D=3D'Microsoft Internet =
Explorer'),s_isns=3D(s_apn=3D=3D
'Netscape'),s_isopera=3D(s_apn=3D=3D'Opera'),s_ismac=3D(s_u.indexOf('Mac'=
)>=3D0)
if(s_ie>0){s_apv=3DparseInt(s_i=3Ds_v.substring(s_ie+5));if(s_apv>3)s_apv=
=3D
parseFloat(s_i)}else if(s_ns6>0)s_apv=3DparseFloat(s_u.substring(s_ns6
+10));else s_apv=3DparseFloat(s_v);function s_fl(s,l){return (s+''
).substring(0,l)}function s_co(o){if(!o)return o;var n=3Dnew Object
for(x in o)n[x]=3Do[x];return n}function s_num(x){var =
s=3Dx.toString(),g=3D
'0123456789',p,d;for(p=3D0;p<s.length;p++){d=3Ds.substring(p,p+1);if(
g.indexOf(d)<0)return 0}return 1}function s_rep(s,o,n){var i=3D
s.indexOf(o),l=3Dn.length>0?n.length:1;while(s&&i>=3D0){s=3Ds.substring(0=
,i)
+n+s.substring(i+o.length);i=3Ds.indexOf(o,i+l)}return s}function s_ape(
s){return s?s_rep(escape(''+s),'+','%2B'):s}function s_epa(s){
return s?unescape(s_rep(''+s,'+',' ')):s}function s_pt(s,d,f,a){var t=3D
s,x=3D0,y,r;while(t){y=3Dt.indexOf(d);y=3Dy<0?t.length:y;t=3Dt.substring(=
0,y)
r=3Df(t,a);if(r)return =
r;x+=3Dy+d.length;t=3Ds.substring(x,s.length);t=3Dx<
s.length?t:''}return ''}function =
s_isf(t,a){if(t.substring(0,2)=3D=3D's_')
t=3Dt.substring(2);return (t!=3D''&&t=3D=3Da)}function =
s_fsf(t,a){if(s_pt(a,
',',s_isf,t))s_fsg+=3D(s_fsg!=3D''?',':'')+t;return 0}var s_fsg
function s_fs(s,f){s_fsg=3D'';s_pt(s,',',s_fsf,f);return s_fsg}var
s_c_d=3D'';function s_c_gdf(t,a){if(!s_num(t))return 1;return 0}
function s_c_gd(){var d=3Ds_wd.location.hostname,n=3Ds_gg(
'cookieDomainPeriods'),p;if(d&&!s_c_d){n=3Dn?parseInt(n):2;n=3Dn>2?n:2;p=3D=

d.lastIndexOf('.');while(p>=3D0&&n>1){p=3Dd.lastIndexOf('.',p-1);n--}
s_c_d=3Dp>0&&s_pt(d,'.',s_c_gdf,0)?d.substring(p):''}return s_c_d}
function s_c_r(k){k=3Ds_ape(k);var c=3D' '+s_d.cookie,s=3Dc.indexOf(' =
'+k
+'=3D'),e=3Ds<0?s:c.indexOf(';',s),v=3Ds<0?'':s_epa(c.substring(s+2
+k.length,e<0?c.length:e));return v}function s_c_w(k,v,e){var d=3D
s_c_gd(),l=3Ds_gg('cookieLifetime');v=3D''+v;l=3Dl?(''+l).toUpperCase():'=
'
if(e&&l!=3D'SESSION'&&l!=3D'NONE'){l=3DparseInt(l);if(l){e=3Dnew Date
e.setTime(e.getTime()+(parseInt(l)*1000))}}if(k&&l!=3D'NONE'){
s_d.cookie=3Dk+'=3D'+s_ape(v)+'; path=3D/;'+(e&&l!=3D'SESSION'?' =
expires=3D'
+e.toGMTString()+';':'')+(d?' domain=3D'+d+';':'');return =
s_c_r(k)=3D=3Dv}
return 0}function s_cet(f,a,et,oe,fb){var r,d=3D0
/*@cc_on@if(@_jscript_version>=3D5){try{return f(a)}catch(e){return =
et(e)}d=3D1}@end@*/
if(!d){if(s_ismac&&s_u.indexOf('MSIE 4')>=3D0)return fb(a);else{
s_wd.s_oe=3Ds_wd.onerror;s_wd.onerror=3Doe;r=3Df(a);s_wd.onerror=3Ds_wd.s=
_oe
return r}}}function s_gtfset(e){return s_tfs}function s_gtfsoe(e){
s_wd.onerror=3Ds_wd.s_oe;s_etfs=3D1;var =
code=3Ds_gs(s_un);if(code)s_d.write(
code);s_etfs=3D0;return true}function s_gtfsfb(a){return s_wd}
function s_gtfsf(w){var p=3Dw.parent,l=3Dw.location;s_tfs=3Dw;if(p&&
p.location!=3Dl&&p.location.host=3D=3Dl.host){s_tfs=3Dp;return =
s_gtfsf(s_tfs)}
return s_tfs}function =
s_gtfs(){if(!s_tfs){s_tfs=3Ds_wd;if(!s_etfs)s_tfs=3D
s_cet(s_gtfsf,s_tfs,s_gtfset,s_gtfsoe,s_gtfsfb)}return s_tfs}
function s_ca(un){un=3Dun.toLowerCase();var =
ci=3Dun.indexOf(','),fun=3Dci<0?
un:un.substring(0,ci),imn=3D's_i_'+fun;if(s_d.images&&s_apv>=3D3&&
!s_isopera&&(s_ns6<0||s_apv>=3D6.1)){s_ios=3D1;if(!s_d.images[imn]&&(
!s_isns||(s_apv<4||s_apv>=3D5))){s_d.write('<im'+'g name=3D"'+imn
+'" height=3D1 width=3D1 border=3D0 =
alt=3D"">');if(!s_d.images[imn])s_ios=3D0}}}
function s_it(un){s_ca(un)}function s_mr(un,sess,q,ta){un=3D
un.toLowerCase();var =
ci=3Dun.indexOf(','),fun=3Dci<0?un:un.substring(0,ci
),unc=3Ds_rep(fun,'_','-'),imn=3D's_i_'+fun,im,b,e,rs=3D'http'+(s_ssl?'s'=
:''
)+'://mtrics.cdc.gov/b/ss/'+un+'/1/G.5-Pd-S/'
+sess+'?[AQB]&ndh=3D1'+(q?q:'')+(s_q?s_q:'')+'&[AQE]';if(s_ios){im=3Ds_wd=
[
imn]?s_wd[imn]:s_d.images[imn];if(!im)im=3Ds_wd[imn]=3Dnew =
Image;im.src=3Drs
if(rs.indexOf('&pe=3D')>=3D0&&(!ta||ta=3D=3D'_self'||ta=3D=3D'_top'||(s_w=
d.name&&
ta=3D=3Ds_wd.name))){b=3De=3Dnew =
Date;while(e.getTime()-b.getTime()<500)e=3D
new Date}return ''}return '<im'+'g sr'+'c=3D"'+rs
+'" width=3D1 height=3D1 border=3D0 alt=3D"">'}function s_gg(v){var =
g=3D's_'+v
return s_wd[g]||s_wd.s_disableLegacyVars?s_wd[g]:s_wd[v]}var s_qav=3D''
function s_havf(t,a){var b=3Dt.substring(0,4),s=3Dt.substring(4),n=3D
parseInt(s),k=3D's_g_'+t,m=3D's_vpm_'+t,q=3Dt,v=3Ds_gg('linkTrackVars'),e=
=3D
s_gg('linkTrackEvents');if(!s_wd['s_'+t])s_wd['s_'+t]=3D'';s_wd[k]=3Ds_wd=
[
m]?s_wd['s_vpv_'+t]:s_gg(t);if(s_lnk||s_eo){v=3Dv?v+',pageName,charSet,'
+'cookieDomainPeriods,cookieLifetime,eVarCFG,purchaseID':'';if(v&&
!s_pt(v,',',s_isf,t))s_wd[k]=3D'';if(t=3D=3D'events'&&e)s_wd[k]=3Ds_fs(s_=
wd[k
],e)}s_wd[m]=3D0;if(t=3D=3D'charSet')q=3D'ce';else =
if(t=3D=3D'cookieDomainPeriods'
)q=3D'cdp';else if(t=3D=3D'cookieLifetime')q=3D'cl';else =
if(t=3D=3D'channel')q=3D
'ch';else if(t=3D=3D'campaign')q=3D'v0';else =
if(s_num(s)){if(b=3D=3D'prop')q=3D'c'
+n;else if(b=3D=3D'eVar')q=3D'v'+n;else =
if(b=3D=3D'hier')q=3D'h'+n}if(s_wd[k]&&t!=3D
'linkName'&&t!=3D'linkType')s_qav+=3D'&'+q+'=3D'+s_ape(s_wd[k]);return =
''}
function s_hav(){var n,av=3D'charSet,cookieDomainPeriods,cookieLifetime'
+',pageName,channel,server,pageType,campaign,state,zip,events,product'
+'s,purchaseID,eVarCFG,linkName,linkType';for(n=3D1;n<26;n++)av+=3D',prop=
'
+n+',eVar'+n+',hier'+n;s_qav=3D'';s_pt(av,',',s_havf,0);return s_qav}
function =
s_lnf(t,h){t=3Dt?t.toLowerCase():'';h=3Dh?h.toLowerCase():'';var
te=3Dt.indexOf('=3D');if(t&&te>0&&h.indexOf(t.substring(te+1))>=3D0)
return t.substring(0,te);return ''}function s_ln(h){if(s_gg(
'linkNames'))return s_pt(s_gg('linkNames'),',',s_lnf,h);return ''}
function =
s_ltdf(t,h){t=3Dt?t.toLowerCase():'';h=3Dh?h.toLowerCase():'';var
qi=3Dh.indexOf('?');h=3Dqi>=3D0?h.substring(0,qi):h;if(t&&h.substring(
h.length-(t.length+1))=3D=3D'.'+t)return 1;return 0}function =
s_ltef(t,h){
t=3Dt?t.toLowerCase():'';h=3Dh?h.toLowerCase():'';if(t&&h.indexOf(t)>=3D0=
)
return 1;return 0}function s_lt(h){var lft=3Ds_gg(
'linkDownloadFileTypes'),lef=3Ds_gg('linkExternalFilters'),lif=3Ds_gg(
'linkInternalFilters')?s_gg('linkInternalFilters'):
s_wd.location.hostname;h=3Dh.toLowerCase();if(s_gg('trackDownloadLinks'
)&&lft&&s_pt(lft,',',s_ltdf,h))return 'd';if(s_gg('trackExternalLinks'
)&&(lef||lif)&&(!lef||s_pt(lef,',',s_ltef,h))&&(!lif||!s_pt(lif,',',
s_ltef,h)))return 'e';return ''}function s_lc(e){s_lnk=3Ds_co(this)
s_gs('');s_lnk=3D'';if(this.s_oc)return this.s_oc(e);return true}
function s_ls(){var l,ln,oc;for(ln=3D0;ln<s_d.links.length;ln++){l=3D
s_d.links[ln];oc=3Dl.onclick?l.onclick.toString():'';if(oc.indexOf(
"s_gs(")<0&&oc.indexOf("s_lc(")<0){l.s_oc=3Dl.onclick;l.onclick=3Ds_lc}}}=

function s_bc(e){s_eo=3De.srcElement?e.srcElement:e.target;s_gs('')
s_eo=3D''}function s_ot(o){var x=3Do.type,y=3Do.tagName;return (x&&
x.toUpperCase?x:y&&y.toUpperCase?y:o.href?'A':'').toUpperCase()}
function s_oid(o){var =
t=3Ds_ot(o),p=3Do.protocol,c=3Do.onclick,n=3D'',x=3D0;if(
!o.s_oid){if(o.href&&(t=3D=3D'A'||t=3D=3D'AREA')&&(!c||!p||p.toLowerCase(=

).indexOf('javascript')<0))n=3Do.href;else if(c){n=3Ds_rep(s_rep(s_rep(
s_rep(c.toString(),"\r",''),"\n",''),"\t",''),' ','');x=3D2}else if(
o.value&&(t=3D=3D'INPUT'||t=3D=3D'SUBMIT')){n=3Do.value;x=3D3}else =
if(o.src&&t=3D=3D
'IMAGE')n=3Do.src;if(n){o.s_oid=3Ds_fl(n,100);o.s_oidt=3Dx}}return =
o.s_oid}
function s_rqf(t,un){var =
e=3Dt.indexOf('=3D'),u=3De>=3D0?','+t.substring(0,e)
+',':'';return u&&u.indexOf(','+un+',')>=3D0?s_epa(t.substring(e+1)):''}
function s_rq(un){var =
c=3Dun.indexOf(','),v=3Ds_c_r('s_sq'),q=3D'';if(c<0)
return s_pt(v,'&',s_rqf,un);return s_pt(un,',',s_rq,0)}var s_sqq,s_squ
function s_sqp(t,a){var =
e=3Dt.indexOf('=3D'),q=3De<0?'':s_epa(t.substring(e
+1));s_sqq[q]=3D'';if(e>=3D0)s_pt(t.substring(0,e),',',s_sqs,q);return =
0}
function s_sqs(un,q){s_squ[un]=3Dq;return 0}function s_sq(un,q){s_sqq=3D
new Object;s_squ=3Dnew Object;s_sqq[q]=3D'';var =
k=3D's_sq',v=3Ds_c_r(k),x,c=3D0
s_pt(v,'&',s_sqp,0);s_pt(un,',',s_sqs,q);v=3D'';for(x in s_squ)s_sqq[
s_squ[x]]+=3D(s_sqq[s_squ[x]]?',':'')+x;for(x in s_sqq)if(x&&s_sqq[x]&&(
x=3D=3Dq||c<2)){v+=3D(v?'&':'')+s_sqq[x]+'=3D'+s_ape(x);c++}return =
s_c_w(k,v,0
)}function s_wdl(e){s_wd.s_wd_l=3D1;var =
r=3Dtrue;if(s_wd.s_ol)r=3Ds_wd.s_ol(
e);if(s_wd.s_ls)s_wd.s_ls();return r}function s_wds(un){un=3D
un.toLowerCase();s_wd.s_wd_l=3D1;if(s_apv>3&&(!s_isie||!s_ismac||s_apv>=3D=

5)){s_wd.s_wd_l=3D0;if(!s_wd.s_unl)s_wd.s_unl=3Dnew Array;s_wd.s_unl[
s_wd.s_unl.length]=3Dun;if(s_d.body&&s_d.body.attachEvent){if(
!s_wd.s_bcr&&s_d.body.attachEvent('onclick',s_bc))s_wd.s_bcr=3D1}
else if(s_d.body&&s_d.body.addEventListener){if(!s_wd.s_bcr&&
s_d.body.addEventListener('click',s_bc,false))s_wd.s_bcr=3D1}else{var
ol=3Ds_wd.onload?s_wd.onload.toString():'';if(ol.indexOf("s_wdl(")<0){
s_wd.s_ol=3Ds_wd.onload;s_wd.onload=3Ds_wdl}}}}function s_iepf(i,a){if(
i.substring(0,1)!=3D'{')i=3D'{'+i+'}';if(s_d.body.isComponentInstalled(i,=

'ComponentID')){var n=3Ds_pl.length;s_pl[n]=3Dnew =
Object;s_pl[n].name=3Di
+':'+s_d.body.getComponentVersion(i,'ComponentID')}return 0}
function s_vs(un,x){var s=3Ds_gg('visitorSampling'),g=3Ds_gg(
'visitorSamplingGroup'),k=3D's_vsn_'+un+(g?'_'+g:''),n=3Ds_c_r(k),e=3D
new Date,y=3De.getYear();e.setYear(y+10+(y<1900?1900:0));if(s){s*=3D100
if(!n){if(!s_c_w(k,x,e))return 0;n=3Dx}if(n%10000>s)return 0}return 1}
function s_gs(un){un=3Dun.toLowerCase()
s_un=3Dun;var trk=3D1,tm=3Dnew Date,sed=3DMath&&Math.random?Math.floor(
Math.random()*10000000000000):tm.getTime(),sess=3D's'+Math.floor(
tm.getTime()/10800000)%10+sed,yr=3Dtm.getYear(),t,ta=3D'',q=3D'',qs=3D'';=
yr=3D
yr<1900?yr+1900:yr;t=3Dtm.getDate()+'/'+tm.getMonth()+'/'+yr+' '
+tm.getHours()+':'+tm.getMinutes()+':'+tm.getSeconds()+' '+tm.getDay()
+' '+tm.getTimezoneOffset();if(!s_q){var =
tfs=3Ds_gtfs(),tl=3Dtfs.location,
r=3Dtfs.document.referrer,s=3D'',c=3D'',v=3D'',p=3D'',bw=3D'',bh=3D'',j=3D=
'1.0',g=3D
s_wd.location,k=3Ds_c_w('s_cc','true',0)?'Y':'N',hp=3D'',ct=3D'',iepl=3Ds=
_gg(
'iePlugins'),pn=3D0,ps;if(s_apv>=3D4)s=3Dscreen.width+'x'+screen.height;i=
f(
s_isns||s_isopera){if(s_apv>=3D3){j=3D'1.1';v=3Ds_n.javaEnabled()?'Y':'N'=

if(s_apv>=3D4){j=3D'1.2';c=3Dscreen.pixelDepth;bw=3Ds_wd.innerWidth;bh=3D=

s_wd.innerHeight;if(s_apv>=3D4.06)j=3D'1.3'}}s_pl=3Ds_n.plugins}else if(
s_isie){if(s_apv>=3D4){v=3Ds_n.javaEnabled()?'Y':'N';j=3D'1.2';c=3D
screen.colorDepth;if(s_apv>=3D5){bw=3Ds_d.documentElement.offsetWidth;bh=3D=

s_d.documentElement.offsetHeight;j=3D'1.3';if(!s_ismac&&s_d.body){
s_d.body.addBehavior("#default#homePage");hp=3Ds_d.body.isHomePage(tl)?
"Y":"N";s_d.body.addBehavior("#default#clientCaps");ct=3D
s_d.body.connectionType;if(iepl){s_pl=3Dnew Array;s_pt(iepl,',',s_iepf,
'');}}}}else r=3D'';if(!s_pl&&iepl)s_pl=3Ds_n.plugins}if(s_pl)while(pn<
s_pl.length&&pn<30){ps=3Ds_fl(s_pl[pn].name,100)+';';if(p.indexOf(ps)<0)
p+=3Dps;pn++}s_q=3D(g?'&g=3D'+s_ape(s_fl(g,255)):'')+(r?'&r=3D'+s_ape(s_f=
l(r,
255)):'')+(s?'&s=3D'+s_ape(s):'')+(c?'&c=3D'+s_ape(c):'')+(j?'&j=3D'+j:''=
)+(
v?'&v=3D'+v:'')+(k?'&k=3D'+k:'')+(bw?'&bw=3D'+bw:'')+(bh?'&bh=3D'+bh:'')+=
(ct?
'&ct=3D'+s_ape(ct):'')+(hp?'&hp=3D'+hp:'')+(s_vb?'&vb=3D'+s_vb:'')+(p?'&p=
=3D'
+s_ape(p):'')}if(s_gg('usePlugins'))s_wd.s_doPlugins();q+=3D(t?'&t=3D'
+s_ape(t):'')+s_hav();if(s_lnk||s_eo){var o=3Ds_eo?s_eo:s_lnk;if(!o)
return '';var =
p=3Ds_wd.s_g_pageName,w=3D1,t=3Ds_ot(o),n=3Ds_oid(o),x=3Do.s_oidt,
h,l,i,oc;if(s_eo&&o=3D=3Ds_eo){while(o&&!n&&t!=3D'BODY'){o=3Do.parentElem=
ent?
o.parentElement:o.parentNode;if(!o)return =
'';t=3Ds_ot(o);n=3Ds_oid(o);x=3D
o.s_oidt}oc=3Do.onclick?o.onclick.toString():'';if(oc.indexOf("s_gs(")>=3D=

0)return =
''}ta=3Do.target;h=3Do.href?o.href:'';i=3Dh.indexOf('?');h=3Ds_gg(
'linkLeaveQueryString')||i<0?h:h.substring(0,i);l=3Ds_gg('linkName')?
s_gg('linkName'):s_ln(h);t=3Ds_gg('linkType')?s_gg('linkType'
).toLowerCase():s_lt(h);if(t&&(h||l))q+=3D'&pe=3Dlnk_'+(t=3D=3D'd'||t=3D=3D=
'e'?
s_ape(t):'o')+(h?'&pev1=3D'+s_ape(h):'')+(l?'&pev2=3D'+s_ape(l):'');else
trk=3D0;if(s_gg('trackInlineStats')){if(!p){p=3Ds_wd.location.href;w=3D0}=
p=3D
p?s_fl(p,255):'';t=3Ds_ot(o);i=3Do.sourceIndex;if(s_gg('objectID')){n=3D
s_gg('objectID');x=3D1;i=3D1}if(p&&n&&t)qs=3D'&pid=3D'+s_ape(p)+(w?'&pidt=
=3D'+w:
'')+'&oid=3D'+s_ape(n)+(x?'&oidt=3D'+x:'')+'&ot=3D'+s_ape(t)+(i?'&oi=3D'+=
i:'')
}s_wd.s_linkName=3Ds_wd.s_linkType=3Ds_wd.s_objectID=3Ds_lnk=3Ds_eo=3D'';=
if(
!s_wd.s_disableLegacyVars)s_wd.linkName=3Ds_wd.linkType=3Ds_wd.objectID=3D=
''
}if(!trk&&!qs)return '';var =
code=3D'';if(un){if(trk&&s_vs(un,sed))code+=3D
s_mr(un,sess,q+(qs?qs:s_rq(un)),ta);s_sq(un,trk?'':qs)}else if(
s_wd.s_unl)for(var unn=3D0;unn<s_wd.s_unl.length;unn++){un=3Ds_wd.s_unl[
unn];if(trk&&s_vs(un,sed))code+=3Ds_mr(un,sess,q+(qs?qs:s_rq(un)),ta)
s_sq(un,trk?'':qs)}return code}function s_dc(un){un=3Dun.toLowerCase()
s_wds(un);s_ca(un);return s_gs(un)}



------=_NextPart_000_0000_01C91284.ECFDD150--

