There is no evidence of human-to-human transmission of bird flu in the case of the Missouri patient with no known infected ...

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

A second person in Missouri who wasn't exposed to either poultry or dairy cows has been infected with bird flu, U.S. health ...

New test results suggest Missouri did not see a cluster of bird flu cases, a possibility that some experts had feared.

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

The agency tested blood from health workers who had been exposed to a person with H5N1 bird flu and later developed flu-like ...

The CDC said on Friday that dozens more people have been reported sick with E. coli linked to McDonald's Quarter Pounder.

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

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 ...

There's no evidence of human-to-human transmission of H5N1 bird flu among patients and healthcare workers in Missouri, the ...