Distribution of Highly Pathogenic Avian Influenza H5 and H5N1 in North America, in Relation to Tribal Lands in the United States, 2021/2022
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Distribution of Highly Pathogenic Avian Influenza H5 and H5N1 in North America, in Relation to Tribal Lands in the United States, 2021/2022. Updated November 27, 2022.
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The first 2021/2022 detection of Eurasian strain (EA) highly pathogenic avian influenza (HPAI) H5N1 in North America occurred in December 2021 in Newfoundland and Labrador, Canada. Subsequently, HPAI EA H5 and EA H5N1 viruses have been confirmed in wild birds, backyard flocks, commercial poultry facilities, and wild mammals in both Canada and the United States. This HPAI distribution map will be...
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