FOR years, scientists have warned that bird flu could one day spill over from birds to humans, triggering a global health ...

Learn about a new simulation that shows human-to-human transmission of H5N1 will become uncontainable if we miss the narrow ...

Scientists have warned H5N1 bird flu could make a dangerous leap to humans, triggering a global health crisis.

Although development of a jab for the H5N1 strain of avian flu is well under way, other strains are receiving less attention ...

The H5N1 avian influenza virus—commonly known as bird flu—has been causing outbreaks in dairy cows in the United States since ...

Key mutations and animal spread could raise the risk to humans. Bird flu is spreading. The avian influenza virus H5N1 has ...

Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become ...

New research shows that genetic changes in modern H5N1 viruses improve their ability to infect bovine cells, helping explain ...

Three state agencies remain on alert after a third presumptive case of avian influenza — or bird flu — was found in a wild ...

The first severe case of H5N1 bird flu was confirmed in Louisiana. Here is a map of other states that have been affected.

The HPAI strain of avian flu is infecting and killing birds in Missouri and Kansas. Several cases have been reported around Kansas City.

While many wild birds recover from infection and develop immunity to a particular strain of AI, others may exhibit ...