H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

Scientists were slow to recognize that Covid spreads through the air. Some are now trying to get ahead of the bird flu.

Health officials urged people to identify avian flu symptoms early and properly cook chicken and eggs to limit risk of ...

Although both viruses can cause breathing problems, they are very different. Covid was spreading easily from person to person when it arrived in the US in 2020, but bird flu has been lurking for ...

Although cases of bird flu are surging among birds in the UK, the risk of the virus spreading to humans still remains ...