When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

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

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

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 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.

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 ...

new freeways: 2025 freeway construction projects to know about in Phoenix area Gallego: Phoenix can be a 'living laboratory' for addressing heat, climate change Bird flu detected in Arizona ...

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

State officials have detected avian flu in two geese at a Scottsdale park ... for wild birds when compared with other strains of its kind, according to the Arizona Game and Fish Department.