Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

H5N1 avian influenza, more commonly known as bird flu, has infected more than 100 million birds in the U.S. and almost 500 ...

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to ...

New CDC research suggests that a small but significant percentage of dairy farmers working near infected cows have recently ...

A teenager in British Columbia, Canada has been hospitalized with a presumed case of H5N1 bird flu, the first detected human ...

Following a CDC study showing bird flu exposure among dairy workers, health officials recommend increased testing and ...

The health agency now urges proactive testing and treatment for the virus among any workers who were exposed to H5N1.

The CDC study provides the largest window to date into how the bird virus first detected in March in dairy cows may be ...

Federal officials said Thursday that farmworkers exposed to bird flu should be tested for the virus even if they are not ...

The CDC wants Alveo to make rapid, portable A(H5) diagnostic tests "to support response efforts in the event of an outbreak." ...

H5N1, or bird flu, has been spreading among farm animals ... Dr. Demetre Daskalakis, who heads the CDC’s National Center for ...