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

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

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

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

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

The H5N1 strain of avian flu is now passing easily among South America's elephant seals and drastically cutting herd ...

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

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

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

It's not clear how the British Columbia teenager picked up the virus, which has been detected recently in wild birds and ...

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