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.

Exclusive reporting reveals how the United States lost track of a virus that could cause the next pandemic. Problems like the ...

The virus has spread among dairy cattle, humans and other mammals. But officials say the current public health risk is low.

Scientists are issuing warnings after a bird flu patient showed mutations that could increase the transmission of the virus.

Bird flu, also called avian influenza, is a viral infection that can cause flu in birds and sometimes spread to mammals, including humans ... When they do, farmers cull (remove and kill) all ...

The findings come at a time when outbreaks of bird flu -- a different subtype ... Nov. 13, 2024 — Why do some people develop severe flu symptoms? A study points the finger at an unsung portion ...

This was something virologists had been worrying about ever since this highly pathogenic strain of bird flu ... and a human virus can get into the same cell at the same time, and this turns out to be ...

The CDC's analysis revealed changes in the hemagglutinin (HA) gene, a critical component for the virus's ability to attach to ...

According to the CDC tracker, there have been 66 confirmed cases of bird flu reported in humans since the start of the ...

Genetic analysis suggests the H5N1 virus has the capacity to mutate in ways that could make it more transmissible to humans.

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 ...