The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World ...

The H5N9 strain of avian influenza is much more rare than the H5N1 which has been responsible for most of the reported human ...

In this prospective observational study, immune protection against H5N1 and H7N9 avian influenza virus (AIV) was almost absent prior to vaccination. However, seasonal influenza vaccines induced a ...

There are many variations of bird flu, also known as avian flu and although humans can be affected by it, it depends on the ...

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

FILE - Hundreds of ducks on a farm in 2017. (Photo by DON EMMERT/AFP via Getty Images) H5N9 is a strain of the H5N1, H7N9, and H9N2 bird flu virus subtypes, according to the National Institute of ...

H5N9 is a strain of the H5N1, H7N9, and H9N2 bird flu virus subtypes, according to the National Institute of Health, but far less common. The USDA Animal and Plant Health Inspection Service ...

There are many variations of bird flu, also known as avian flu and although humans can be affected by it, it depends on the strain - here is ...