A Missouri bird sanctuary rejoiced after officials recently spotted a rare bird on the facility's grounds. The bird, a ...

U.S. health officials have run into obstacles in their efforts to determine whether a Missouri person infected with H5N1 bird ...

A routine flu screening in late summer found the H5N1 virus in a Missouri patient. Unlike the other reported cases of avian ...

Further testing could confirm whether the patient, who has since recovered, actually had bird flu despite testing positive.

Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to ...

The mystery continues over how a Missouri man came down with the bird flu -- without having any animal contact.  Experts say ...

The blood samples arrived at the CDC during the week of Sept. 30, the Washington Post said. Results are reportedly not ...

While California reports more human cases of bird flu, experts say the true number of cases could be much higher ...

The Centers for Disease Control and Prevention should have results later this month that provide more insight into how a ...

Five more people who presumably contracted the bird flu are being tested in California's Central Valley and are pending CDC testing.

WEST ALTON, Mo. — A Missouri bird sanctuary rejoiced after officials recently spotted a rare bird on the facility's grounds. The bird, a Green-tailed Towhee, was sighted at the Riverlands ...