A 13-year-old girl in Canada became so sick with H5N1, or bird flu, in late 2024 that she had to be put on a ventilator.

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

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

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.

Childhood vaccination rates are on the decline at a time when Robert F. Kennedy Jr. could lead the Health and Human Services ...

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.

The most common kind of bird flu is the H5N1 strain ... A few cases of severe pneumonia and death have been reported in China. Doctors can’t diagnose bird flu just by your symptoms.

Health officials in the United States have raised concerns over the possible risks of a new pandemic, after a bird flu ...

Dec. 19, 2024 — Stitching together four molecules found in the standard flu vaccine ensures an immune response to all of them, scientists have ... Flu Virus Remains Infectious in Refrigerated ...