Scientists say a concerning genetic mutation has appeared in H5N1 bird flu infected cats living in a New Jersey suburb of New ...

Scientists are sounding the alarm about a concerning genetic mutation of the H5N1 bird flu virus, recently identified in four ...

Scientists are sounding alarms about a genetic mutation that was recently identified in four dairy cow herds, nearly one year ...

A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say could not only make the virus more lethal, but increase its spread between ...

SACRAMENTO, the United States, March 12 (Xinhua) -- Scientists are sounding the alarm about a concerning genetic mutation of the H5N1 bird flu virus, recently identified in four dairy cow herds, as ...

Experts warn of concerns over U.S. bird flu outbreak as federal agencies struggle to rehire fired employees. Updates on mutations and response efforts here.

Yoshi Kawaoka: So in the past, there are avian influenza viruses that are in migratory waterfall [that] acquired mutations in PB2 proteins that make the virus replicate better in mammalian species.

The mutation, known as PB2 E627K, was detected in sequence data ... were uploaded to the Global Initiative on Sharing All Influenza Data (GISAID), a Germany-based public genetic repository.