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

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 ...

Bird flu H5N1 has infected dozens of people in the U.S. this year. Could it be the next pandemic? Experts explain the threat ...

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

Canadian health officials have confirmed bird flu in a British Columbia teen. The Public Health Agency of Canada said ...

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

A teenager in British Columbia was hospitalized in critical condition with the disease, and officials were working to find ...

Another cause for concern: flu season is underway in the U.S., and as seasonal influenza virus goes around, “humans, ...

Viruses are the fastest-evolving biological entity on Earth. This fact explains why we need flu shots every year: Seasonal ...

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