H5N1 bird flu has been circulating in U.S. wildlife since late 2021 but has caused only one human fatality. Now a different ...

A study uncovers the viral gene that lets bird flu beat fever, reshaping surveillance strategies as H5N1 continues to spread.

It’s crucial that we monitor bird flu strains to help us prepare for potential outbreaks," said virologist Matt Turnbull.

An unusually early outbreak of bird flu cases affecting high numbers of wild birds and poultry farms across Europe and North ...

H5N1 bird flu has infected growing numbers of people worldwide in recent years, but this week saw something new: the first ...

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, ...

The first human to have ever been infected with H5N5 strain of bird flu has died, Washington state health officials confirmed ...

The person, who had been hospitalized in King County since early November, died on Nov. 21, health officials said.

The bird flu virus that has been spreading among wild birds, poultry and mammals could lead to a pandemic worse than COVID-19 if it mutates to transmit between humans, the head of France's Institut ...

Canada geese, bald eagles and red-tailed hawks are among the 130 wild birds that have tested positive this year.

The Canadian Food Inspection Agency (CFIA) says it has identified additional outbreaks of avian influenza in ...