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

H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI), also known as bird ...

The Centers for Disease Control and Prevention are monitoring the bird flu situation in the United States. Here's what to ...

The United States has reported its first H5N9 bird flu outbreak in California, affecting almost 119,000 ducks. Both H5N9 and ...

According to the Centers for Disease Control and Prevention, 67 people in the U.S. have been infected with H5N1 bird flu. One ...

However, the discovery of this strain raises concern about the H5N1 strains of bird flu currently circulating in the United States ... CDC has urged hospitals to subtype all influenza A specimens ...

U.S. authorities also detected the more common H5N1 strain on the same farm in Merced County, California, they said in a ...

A California duck farm has culled thousands of birds as the virus seems to be trading genetics with other viruses ...

The advisory comes amid concerns that cases of H5N1 avian influenza will sicken more people in the United States. CDC ...

H5N1 bird flu hits Georgia’s poultry industry marking the first commercial outbreak in the state Learn CDC prevention tips to ...

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