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

California health officials reported Tuesday that a child in Alameda Co. has been infected with bird flu; source unknown.

Alameda County health officials are investigating a potential case of avian influenza, or bird flu, in a child experiencing ...

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

State officials are urging vigilance after Hawaii’s first detection of H5N1 in a flock of rescued pet geese and ducks in ...

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

A teenager diagnosed with bird flu in British Columbia is the first domestically acquired human case of H5N1 avian influenza, ...

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

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

Hospitals had been asked to conduct extra surveillance for possible avian flu cases in the spring and summer after highly ...

There is an inherent conflict of interest – and the potential for injury to public health – when a federal department both ...

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