Public-health experts have been highly critical of the federal and state response to the virus, which was first identified in cows in the U.S. early in 2024.

Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.

Gov. Newsom declared a state of emergency as the virus continues to infect dairy herds across the country — including more ...

Feeling under the weather? Local health officials are tracking a variety of viruses making rounds in the community right now.

A Canadian teen's severe bird flu infection has highlighted growing concerns about the H5N1 virus, commonly known as bird flu ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

The agency says it is looking for red flags, but the risk to the public still remains low. Meanwhile, a Louisiana patient with a severe case of bird flu showed worrying mutations in the samples ...

Teen's recovery from H5N1 bird flu raises concerns after genetic mutations suggest virus could become more dangerous to ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

All year, I’ve been keeping tabs on the H5N1 avian flu outbreak in dairy cattle and birds in the United States. As a ...

The UK government has ordered five million doses of an avian influenza vaccine in case it starts being spread by people as ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Newsweek's live blog is closed.