Authorities in Hawaii are warning residents who attended a local pet fair to watch for symptoms of avian influenza after a ...

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

A bird flu outbreak has been confirmed at a commercial poultry farm in Cornwall. The government said all poultry on the ...

Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in ...

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. However, a new case in a British Columbia ...

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

In 2009, H1N1 bird flu caused the first global flu pandemic in 40 years, with the first infections detected in California.

A teenager in British Columbia, Canada has been hospitalized with a presumed case of H5N1 bird flu, the first detected human ...

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

New CDC research suggests that a small but significant percentage of dairy farmers working near infected cows have recently ...

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to ...