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

There have been dozens of confirmed human cases of bird flu in the U.S. this year. Experts discuss the symptoms, risks and ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

Initial testing had indicated the teenager's infection was from bird flu and was confirmed in further testing, the Public ...

A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find ...

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

The Guardian reported 94,000 birds have already died from the massive botulism outbreak, and many more will follow. Botulism ...

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 year after an outbreak of H5N1 killed thousands of elephant seals in Argentina, only about a third of the seals normally expected here returned, scientists estimate.