First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...
Animals at 25 egg and dairy production facilities, including one backyard coop, have tested positive, says the county health ...
HealthDay News — A new strain of bird flu, H5N9, has been detected for the first time in the US, raising concerns about how it continues to spread. The strain was discovered at a commercial duck farm ...