The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...

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

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

A California duck farm made headlines this week after the World Organization of Animal Health published a report by U.S.

A new strain of H5N9 bird flu was detected at a commercial duck operation in California's Merced County. All the ducks were ...

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

Bird flu infections around the U.S. have forced mass cullings and resulted in the deaths of zoo animals and pets ...

This story incorporates reporting fromU.S. News & World Report, cidrap.umn and scmp.com.The United States has reported its ...

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

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

Health officials have detected a new strain of bird flu, the H5N9, raising concerns about potential changes in the virus.

Bird flu pops up every year in the same way that flu season does for humans. Each time there's a different strain as ...