What is H5N9 and how is it different from H5N1? Scientists classify bird flu viruses by which kind of two key proteins are ...
The case of bird flu, aka highly pathogenic avian influenza, was detected on a 50,000 chicken flock commercial poultry farm ...
The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World ...
The first case of bird flu on a farm in Pennsylvania in 2025 was detected on a poultry farm in Lehigh County on Monday, the ...
First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...
Turkeys in a commercial Sampson County flock have tested positive for highly pathogenic avian influenza, the N.C. Department ...
Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens ...
The US Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) today confirmed more H5N1 avian ...