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.

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

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 ...

A patient in Louisiana has been hospitalised with H5N1 bird flu, the US Centers for Disease Control and Prevention (CDC) said ...

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 ...

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

Thousands of chickens have been culled after H5N1 bird flu was discovered at a farm in southern Taiwan. Authorities in Yunlin say they are taking precautions to prevent further spread of the disease.

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