The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

The Ogle County Health Department has confirmed a bird found in Rochelle has tested positive for H5N1 or bird flu. Bird flu ...

The first 'severe' human case of bird flu has many around the country concerned, but those in New Jersey may not need to feel ...

The ongoing bird flu outbreak in the U.S. just got a bit more concerning: a person in Louisiana has been hospitalized with ...

Public health officials have just reported the first known “severe” case of bird flu in the United States. There are now 61 ...

Los Angeles County health officials have identified three more cats with presumptive H5N1; the source of the virus has not ...

A person in Louisiana has been hospitalized with the United States' first serious case of H5N1 bird flu, following 60 milder ...

Medscape Medical News spoke with the CDC expert on the current H5N1 situation in the United States and ongoing surveillance ...

The CDC has declared the first “severe” case of H5N1 bird flu in the U.S., according to a press release published Wednesday.

Reports that cows have been infected despite farmers' preventive measures indicate there are multiple routes of transmission ...

The United States has confirmed its first known severe human infection of H5N1 bird flu, in a person in Louisiana believed to ...

A 2.5-year-old returning to Australia from India was infected with a reassortant H5N1 virus, revealing genetic mixing between ...