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

More than half a colony of Caspian terns on a small island near Port Townsend died last year amid an outbreak of bird flu, ...

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

Wastewater in several Californian cities, including San Francisco and Los Angeles, recently tested positive for bird flu. But ...

One person has been infected with the H5N1 bird flu in Oregon, the Centers for Disease Control and Prevention confirmed on ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

A teenager has been left in critical condition after contracting the first presumptive human case of avian influenza in ...

A British Columbia teen who contracted Canada's first known human case of H5 bird flu has deteriorated swiftly in recent days ...

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

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

Reports this week of a teen in British Columbia who tested positive for H5 avian influenza has renewed attention on the virus ...