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 ...

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

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

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 ...

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

Gov. Gavin Newsom declared an emergency in California over bird flu spreading in cattle there. Now, in a different West Coast ...

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

The bird flu outbreak has spread to all 50 states, infecting dairy cattle, poultry farms and 61 humans across the country.

Los Angeles County reported its first case of human H5N1 bird flu infection Monday, as health officials sought to spread ...

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