Elephant seal numbers in Argentina remain low after a deadly H5N1 outbreak, highlighting the virus's dangerous adaptability.

The individual in question had recently returned from eastern Africa, the state health department said. Also in the news: bird flu, covid, and dengue fever.

One very easy way to lower the chances of a genetic shuffling would be for everyone, but especially farm workers, to get vaccinated against seasonal flu.

The Arizona Department of Agriculture has confirmed that poultry at a farm in Pinal County tested positive for the bird flu.

Researchers have identified new roles for a protein long known to protect against severe flu infection -- among them, raising the minimum number of viral particles needed to cause sickness.

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd ...

The World Health Organization voiced alarm at the growing spread of H5N1 bird flu to new species, including humans, who face an ‘extraordinarily high’ mortality rate. Hong Kong should test for ...

In 2023, a highly pathogenic bird flu leapt to seals in South America, killing some 17,000 elephant seal pups (about 97 ...

A new study by the Centers for Disease Control and Prevention found that some dairy farm employees showed signs of infection, ...

Following a CDC study showing bird flu exposure among dairy workers, health officials recommend increased testing and ...