What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

The CDC and MDH are advising health care providers to order further laboratory testing on positive influenza A specimens ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed more H5N1 avian ...

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and ...

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

There is a bird flu vaccine, and a federal stockpile holds several million doses, per The New York Times. However, Kennedy, ...

US officials are investigating the appearance of a strain of bird flu identified in the US for the first time, a worrying ...

H5N9 and H5N1 are two strains of bird flu that have recently sparked concern, especially after a significant outbreak at a ...