H5N1 avian influenza has long been a concerning virus. Since its discovery in 1996 in waterfowl, bird flu has occasionally ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

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

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

A person sickened by bird flu in Missouri was probably an isolated case, federal health officials said Thursday, though they are still investigating how the person became infected with no clear ...

Health officials are investigating whether a person in Missouri who was hospitalized with bird flu in early September might have infected a handful of others.

From the outset of the Trump administration, bird flu, or H5N1 avian influenza, has flown rather conspicuously — and in fact ...

The World Organisation for Animal Health (WOAH) considers a bird flu outbreak on a commercial farm in Brazil as "resolved," a page detailing the case on WOAH's website showed on Friday.

Health officials in Louisiana said Monday that an individual has died from the H5N1 bird flu. The death is the first reported among humans in the United States related to the virus.

Vaccine supply shortage comes at a bad time, as African countries make headway with their outbreaks and have seen good uptake ...

NACCHO selects 5 local health departments as mentors and 11 as mentees for the 2025 Wastewater Monitoring Mentorship Program.