Health officials say there’s no evidence bird flu is spreading between people after investigating a mysterious Missouri ...

The number of people infected with bird flu in the U.S. has risen to at least 31, federal health officials said Thursday, but ...

The number of bird flu cases has risen to 31 in the U.S. but there is no evidence of person-to-person transmission, the CDC ...

The bird flu virus hasn't yet spread from person to person, the CDC said Thursday, releasing findings from a monthslong probe ...

Federal health authorities have confirmed at least two people in Washington have contracted bird flu after working around ...

The Centers for Disease Control & Prevention confirmed two human cases of avian influenza in Washington on Thursday following ...

Blood tests of several people who were in contact with a patient in Missouri who caught H5N1 bird flu without any known ...

The U.S. Centers for Disease Control and Prevention on Thursday confirmed two of the four presumptive positive bird flu cases ...

US health officials didn’t find signs of human-to-human bird flu spread after testing a group of people in Missouri with ...

The case concerned health officials and experts because human-to-human transmission of the H5N1 strain of avian influenza ...

Human bird flu cases in California may be undercounted as farm workers avoid testing due in part to economic concerns, ...