As a virus scientist in South Africa, I’ve been watching with dread as H5N1 bird flu spreads among animals in the United ...

A Canadian teenager has made history after falling ill with the virus despite having no contact with birds or any underlying ...

The Public Health Agency of Canada has confirmed the first human case of bird flu in the country, believed to be caused by ...

As an outbreak of the avian flu continues to wreak havoc on California agriculture, the number of infected animals and ...

The change had been seen sporadically in a few avian flu viruses. The agency emphasized that the drug hasn't been recommended ...

The H5N1 virus that infected a Canadian teen appears not to have spread, but it shows signs of mutation that makes flu ...

The outbreak is Hawaii's first and appears to be part of a surge in poultry outbreaks in US states that are along the Pacific flyway, where wild birds are migrating south. Hawaii's outbreak also ...

As H5N1 bird flu spreads among California dairy herds and southward-migrating birds, health officials announced Friday six ...

Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it trigger the next pandemic? Experts explain the threat and symptoms to watch for.

Poultry on a commercial farm in England have been infected with the bird flu virus, the U.K. government said Sunday.

Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.