The California duck farm's strain of H5N9 is different from those earlier cases because this time it is closely related to a ...

The discovery of bird flu in the San Mateo backyard flock prompted health officials to remind people to take biosecurity ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

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

Asked if the case took place in California, where 36 of the 40 cases of H5N1 connected to dairy have occurred, a spokeswoman for the state’s Department of Public Health said her department ...

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

A new strain of bird flu (highly pathogenic avian influenza, or HPAI) has been detected on a duck farm in California ... The more common H5N1 strain was also found at the same farm, which is ...

H5N1 has upended California’s dairy industry, the nation’s largest producer of milk, with a total of 733 dairies reporting infections since August 2024. Of these, 35 were discovered in the ...

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