H5N1 Avian Flu Spreads Globally: 991 Human Cases Reported Worldwide Amid Mounting Mammalian and Bird Outbreaks

H5N1 Avian Flu Spreads Globally: 991 Human Cases Reported Worldwide Amid Mounting Mammalian and Bird Outbreaks

Published: January 17, 2026

Duration: 3:21

H5N1 Global Scan: Avian Flu Worldwide

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Welcome to H5N1 Global Scan: Avian Flu Worldwide, your three-minute international focus on the avian flu threat. Im hosting this quick dive into the latest developments as of mid-January 2026.

Starting with a continental breakdown. In the Americas, PAHO reports clade 2.3.4.4b driving 5136 animal outbreaks since 2022 across 19 countries, with 508 in birds this year alone, plus thousands in wild birds in the US and Canada. Mammals are hit hard too: US dairy cattle in 18 states with over 1000 herds affected since 2024, and 77 outbreaks...
H5N1 Avian Flu Spreads Globally: 991 Human Cases Reported Worldwide Amid Mounting Mammalian and Bird Outbreaks - H5N1 Global Scan: Avian Flu Worldwide