When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

Mississippi has confirmed H5N1 in a poultry flock. The birds are not part of food supply chain. What you need to know about ...

Iowa has its first confirmed case of H5N1 bird flu in a poultry farm worker, the state's public health department announced.

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

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

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

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

Louisiana reported a person hospitalized with a severe case of H5N1, and the USDA has begun bulk milk testing ...

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

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

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

On Monday, the Santa Barbara County Public Health Department confirmed two cases of H5N1 bird flu in two domesticated ...