The U.S. has developed a bird flu vaccine that can be prepared when needed. It’s not currently available because health officials haven’t deemed it necessary.

Bird flu, also known as H5N1, has been around for decades. But a discovery in 2024 came as a surprise to public health experts.

Preventing outbreaks of H5N1 avian flu in humans means parsing through the messiest data of all: how we humans live.

Beijing, the sprawling Chinese capital and one of the world’s biggest cities, saw its population drop last year for the first time in 19 years as the country grapples with a demographic crisis ...

Tens of thousands of people were evacuated before the remnants of Typhoon Doksuri hit Beijing, and another massive storm is already headed for China.

Previous exposures to older flu strains prime the immune system to produce antibodies against bird flu (H5N1).

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. But a new case in a British Columbia teenager has experts worried.

A raw milk dairy farmer and longtime critic of the FDA has accused officials of ignoring his tip about a possible H5N1 outbreak among dairy cows in New Mexico.

A Chinese laboratory says that a deadly strain of bird flu has been found in pigs, expanding the number of species that can be infected with the disease.

How to pinpoint the H5N1 mortality rate in humans Avian flu is reported to kill more than half the people it infects. The reality is much more complicated ...

Bird flu in cows and goats has raised alarm in the U.S. To date, four people are thought to have caught the virus from cattle, but the risk to the general public is low.