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

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...

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

Ohio is leading the nation with bird flu cases in poultry. What does this mean for egg prices, and can you raise your own ...

State officials are warning the public to avoid handling birds and other wildlife as suspected avian flu cases are now ...

A new strain of bird flu, H5N9, has been detected for the first time in the United States, raising concerns about h ...

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

Scientists are raising the alarm over a potential new pandemic virus that could be emerging in California. They fear that ...

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

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

The finding at a California duck farm is raising alarms among public health experts that bird flu could further mutate into ...