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.

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

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

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.

A new mutation and the first severe case of H5N1 bird flu discovered in a human in Louisiana has raised concern among some ...

Dec. 13, 2024 — Influenza or flu virus remains infectious in refrigerated raw milk for up to five days, according to a new study. The findings come at a time when outbreaks of bird flu -- a ...

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

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

A person was hospitalized with a severe case of bird flu in Louisiana, according to the Centers for Disease Control and Prevention in a news release Wednesday.Following that case and additional ...

A person was hospitalized with a severe case of bird flu in Louisiana, according to the Centers for Disease Control and Prevention in a Dec. 18 news release.Following that case and additional reports, ...