Bird flu H5N1 is infecting people in the U.S. See the map of cases. Could it trigger the next pandemic? Experts explain the threat and symptoms to watch for.

Since the avian flu arrived en force in California's dairy industry in 2024, not only has it sickened cows, it has killed hundreds of domestic cats. Some pet cats that live on dairy farms were ...

There is no evidence the youngster was exposed to livestock or any infected animals, deepening the mystery about the spread of H5N1 bird flu.

Authorities say bird flu poses a low risk to people right now, but in animals - both wild and domestic - it's causing global ...