How dangerous is it? Where did it come from? H5N1 influenza’s origins stretch back to the 1990s, and key events paved the way ...

As more humans become infected by H5N1 bird flu, experts worry of a new pandemic with 70 human cases in the U.S. including 1 ...

Over the past three years, avian influenza (H5N1) has spread around the U.S. and affected many species of birds and mammals, ...

While bird flu has been around for decades, the discovery in 2024 that the deadly pathogen spread from a wild bird to a cow came as a surprise to virus watchers, according to news officials.

In a CBS news interview with veterinarian Kay Russo, she warned that time to stop the bird flu is 'running out.' She said while it's not clear how the virus was spreading from cow to cow ...

Here's what to know. While bird flu has been around for decades, the discovery in 2024 that the deadly pathogen spread from a wild bird to a cow came as a surprise to virus watchers, according to ...

Here's what to know. While bird flu has been around for decades, the discovery in 2024 that the deadly pathogen spread from a wild bird to a cow came as a surprise to virus watchers, according to ...

While bird flu has been around for decades, the discovery in 2024 that the deadly pathogen spread from a wild bird to a cow surprised virus watchers, according to news officials. In just over a ...