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

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry.

Most of the bird flu cases reported so far in the U.S. have belonged to an influenza subtype known as HPAI H5N1. The newly ...

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

A newly identified strain of bird flu, H5N9, discovered at a California duck farm, has prompted concerns about the possibility of a larger outbreak, The Washington Post reported Jan. 29. Health ...

The first U.S. H5N9 outbreak has raised concerns as scientists warn of evolving bird flu risks—here's what you need to know about the symptoms.

This unique structure allows for genetic reassortment, a process that can lead to the emergence of new viral strains with pandemic potential. Understanding how these vRNAs are packaged into new ...

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

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

A new strain of bird flu — H5N9 — has been detected in California’s Merced County at a commercial duck operation. According to the World Organization for Animal Health — an international ...