A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about how it continues to spread.

All nine macaques given the control developed severe disease when exposed to bird flu, as did all given the smallest dose of ...

A new strain of bird flu has been detected in the United States, and it has sparked a lot of concerns among farmers and ...

The US Department of HHS is awarding the pharmaceutical company Moderna $590 million to continue developing a vaccine to protect against bird flu.

The number of bird flu cases in Central Massachusetts is relatively low, compared to a swath of the state that runs from ...

The Pennsylvania Department of Agriculture shut down a poultry farm in southeastern Pennsylvania after finding bird flu.

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

A new strain of bird flu has been confirmed at a duck farm in California, the first time the variant has been discovered in ...

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

The H5N1 Avian influenza is decimating bird populations around the world. More than 136 million birds have been affected in ...

While drugmakers are hard at work on the shots, they’re not yet ready to blunt the impact of a potential pandemic.

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