At the start of 2025, health officials in Louisiana reported the first U.S. bird flu death and experts questioned whether highly pathogenic avian influenza A (H5N1) could lead to the next pandemic. A ...

For the first time, deadly H5N1 bird flu has been confirmed as the cause of a wildlife die-off in Antarctica, killing more than 50 skuas during the 2023–2024 summers. Researchers on an Antarctic ...

After a catastrophic outbreak of bird flu devastated southern elephant seal populations in 2023, scientists are on high alert.

Since it was first detected in the U.S. in 2014, H5N1 avian influenza, commonly known as bird flu, has jumped from wild birds to farm animals and then to people, causing more than 70 human cases in ...

Bird flu has been confirmed in backyard flocks in two southeast Iowa counties, affecting about 130 birds, as state officials ...

It’s been a little over a year since H5N1 avian influenza or “bird flu” was first detected in U.S. dairy cows, and many questions remain about the highly pathogenic virus. The first webinar will also ...

About 30 seals at a California state park have died, and seven of them had the lethal virus. Lab results for the other animals are pending ...

Researchers at UC Davis say news they've dreaded since 2023 has come to pass: California's elephant seals have been infected with H5N1 bird flu.

As bird flu continues to circulate in animals and spill over into humans, researchers are racing to stop it before it adapts to spread widely between people. A new nasal spray vaccine showed strong ...