Global H5N1 Avian Flu Pandemic Spreads Across Continents: 990 Human Cases Reported with 48% Fatality Rate in 2025

Global H5N1 Avian Flu Pandemic Spreads Across Continents: 990 Human Cases Reported with 48% Fatality Rate in 2025

Published: December 15, 2025

Duration: 3:33

H5N1 Global Scan: Avian Flu Worldwide

Welcome to H5N1 Global Scan: Avian Flu Worldwide, your international focus on the avian flu pandemic threatening birds, mammals, and humans. Im here to break down the latest developments as of late 2025. This is a 3-minute update.

Start with a continental breakdown. In the Americas, PAHO reports 5,063 outbreaks in 19 countries and territories since 2022 through October 2025, plus 76 human A(H5) infections in five countries, including two deaths. The US has seen 71 confirmed human cases since early 2024 per CDC and WHO, with 41 linked to dairy cows, 24 to poultry, mostly mild...
Global H5N1 Avian Flu Pandemic Spreads Across Continents: 990 Human Cases Reported with 48% Fatality Rate in 2025 - H5N1 Global Scan: Avian Flu Worldwide