Scientists always knew a deadly virus was going to jump from animals to humans: COVID was not the first time it has happened, ...

The CDC declared the end of its emergency response to H5N1 avian flu as a health threat to humans, David Murray writes.

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

For months, bird flu was seemingly everywhere in the U.S.: news headlines reported the highly pathogenic H5N1 avian influenza ...

In one of the top Arctic birding destinations in the world, environmental and health challenges are threatening some of the seabirds that are part of Norway’s unique coastal ecosystem.

How Bird Flu Became a Human Pandemic Threat The first hints that a new strain of avian illness is emerging could be found on this beach on Delaware Bay, where migrating birds flock.