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

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 ...

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

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

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

Health officials on Thursday said they don’t know how a Missouri person caught bird flu but believe it may be a rare instance ...

The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

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