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.

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

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...

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.

They are investigating three other possible cases of bird flu in three cats from a different household. The two infected cats died, and this type of flu is rare in cats, health officials say.

Beyond the bird flu, the federal government’s handling of the outbreak reveals cracks in the U.S. health security system that would allow other risky new pathogens ... any kind of reset in ...

The virus, also known as Type A H5N1, was detected for the first time in U.S. dairy cattle in March. Since then, bird flu has been confirmed in at least 866 herds in 16 states. The virus has been ...

Though cases of infection are rare, cats seem especially susceptible to the bird flu virus, or Type A H5N1 ... for another pandemic My vote is YES for New Year’s Resolutions How to kick back ...

Influenza is a common respiratory virus that is categorized into four types: A, B, C and D. Type C only ... including birds and humans, and mutates quickly. This means new strains can emerge ...

Though cases of infection are rare, cats seem especially susceptible to the bird flu virus, or Type A H5N1 ... He’s a Connecticut cat that needs a new home.