With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human ...

State health officials are investigating possible sources of the H5 avian influenza virus detected for the first time in a wastewater sample from Oahu, but reassure residents that public risk remains ...

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

There have been dozens of confirmed human cases of bird flu in the U.S. this year. Experts discuss the symptoms, risks and ...

H5N1 avian influenza, more commonly known as bird flu, has infected more than 100 million birds in the U.S. and almost 500 ...

The Public Health Agency of Canada (PHAC) confirmed the first domestically acquired human case of H5N1 avian influenza in ...

The CDC wants Alveo to make rapid, portable A(H5) diagnostic tests "to support response efforts in the event of an outbreak." ...

British Columbia health officials have yet to identify a likely source of the infection, though none of the teen's contacts ...

A teenager is in critical condition in a British Columbia children’s hospital with what is likely Canada’s first human case ...

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

Health officials were struggling to answer a broader and potentially worrisome question: how the infection occurred.