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

DARKE/MERCER COUNTIES — Nearly 4 million new cases of High Path Avian Influenza, otherwise known as bird flu, have been confirmed in the Miami Valley over the last few days. Over 3.7 million ...

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers wrote.