Western Canadian Animal Health Network Information Library

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Epidemiological Update Avian Influenza A(H5N1) in the Americas Region - 15 October 2025

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The Pan American Health Organization (PAHO) reported that "[s]ince 2022 and as of epidemiological week 41 of 2025, a total of 19 countries and territories in the Americas Region reported 5,063 outbreaks of avian influenza A(H5N1) to WOAH.
Between 2022 and 14 October 2025, a total of 76 human infections caused by avian influenza A(H5), including two deaths, have been reported in five countries in the Americas."
hpai
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highly pathogenic avian influenza
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h5
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human cases