Animal Impacts of Avian Influenza

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Animal Impacts of Avian Influenza

• Ron Wohrle, DVM
• Washington Department of Health

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Topic

• Highly Pathogenic Avian Influenza (HPAI) H5N1
  mammals
• HPAI H5N1 domestic animals/pets

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What animals can be infected with avian
influenza A (H5N1) viruses?
Ciam Sawyer
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List of Species Affected by H5N1 Avian Influenza
Genus species Common Name Wild Captive/Sanctuary Pet Lab Mortality
Chrotogale owstoni1 Owston Palm Civet      
Felis domestica2 Domestic/feral cat    
Macaca fascicularis3 Cynomolgus macques     -
Martes foina4 Stone (beech) marten      
Mustela putoris furo5 Ferret      
Oryctolagus cuniculus6 New Zealand white rabbit       -
Panthera pardus7 Leopard      
Panthera tigris7 Tiger      
Rattus norvegicus6 Rat       -
Sus domesticus8 Pig     -
1OIE Aug 27, 2005 Mongolia Follow-Up Report No. 3
2Kuiken et.al. 2004 3Kuiken et.al. 2003 4Avian
influenza ? H5N1 infection found in a stone
marten in Germany 5Govorkova et.al. 2004 6Perkins
and Swayne, 2003 7Thanawongnuwech et.al. 2005
Keawcharoen et.al. 2004 8Choi et.al. 2005
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What about infection in large cats, like tigers?
Ciam Sawyer
Ciam Sawyer
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Can domestic cats be infected with avian
influenza viruses?
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Question
How commonly have cats been infected with avian
influenza A (H5N1) viruses?

1. Very commonly
2. Somewhat commonly
3. Rarely
4. Never

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How have cats become infected with avian
influenza A (H5N1) viruses?
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Can cats spread H5N1 to people?
What is the risk to humans or other species from
cats infected with avian influenza H5N1 virus?
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Question
The current risk that cats in the United States
will become infected with influenza A (H5N1) is
close to 0.

1. True
2. False

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Can dogs be infected with avian influenza?
Ciam Sawyer
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Questions?
Ciam Sawyer