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Avian Influenza Update

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This news and analysis are provided by the Ornithological Council, a consortium supported by ornithological societies. Join or renew your membership in your ornithological society if you value the services these societies provide to you, including OrnithologyExchange and the Ornithological Council.

Cases of avian influenza continue to be reported in the U.S. and Canada. In late 2021, highly pathogenic avian influenza was detected in North American wild birds for the first time since 2015. Initial detections occurred in Canada (Newfoundland and Labrador) and the United States (South Carolina) in December 2021. Additional detections in the U.S. are reported online by APHIS and a map of confirmed detections in North America is available from the NWHC. Cases in commercial and backyard flocks are listed on the APHIS website. Further information from Envionrment Canada is available here

According to the U.S. Centers for Disease Control and Prevention, the recent HPAI detections do not present an immediate public health concern. No human cases of these avian influenza viruses have been detected in the U.S.

Additional Resources:

Information on avian influenza from Birds Canada

Detections in Canada

APHIS webinar on AI in wild birds

APHIS HPAI Info Center

Information on AI Surveillance from the National Wildlife Health Center

Map Showing Distribution of Highly Pathogenic Avian Influenza H5 and H5N1 in North America

2022 Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard Flocks (from APHIS)


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