The latest human case of bird flu in the U.S. occurred in a patient with no reported exposure to affected animals, sparking ...

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory ...

Health officials identified three contacts, including two healthcare workers, who were closely monitored after a bird flu ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

The H5N1 bird flu appears to be stampeding through dairy farms in California, the country's largest milk producer. Over the ...

U.S. health officials have been making preparations for vaccines and other measures, in case the bird flu does start ...

The Centers for Disease Control and Prevention has picked five lab partners to develop a test for avian influenza A (H5N1) — ...

A second Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed mild ...

Epidemiologists have not yet identified exactly how a person in Missouri contracted bird flu last week, said the U.S. Centers ...

A close contact of a Missouri resident identified as having a human case of the H5N1 avian flu also became sick around the ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...