The data reveal a pattern of geographically extensive viral circulation. Of the more than 27,000 guano samples analyzed, just over 1% tested positive for avian influenza RNA.

Learn about the resurgence of Nipah virus in Kerala and other zoonotic diseases like Mpox and avian influenza.

H5N1 bird flu isn’t going away. In fact, the virus continues to spin off new versions that outcompete their predecessors, posing a challenge for keeping it from jumping into people, poultry and ...

The H5N1 bird flu has been spreading widely among wild birds, poultry and other animals around the world for several years, and starting early last year became a problem in people and cows in the U.S.