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

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 ...

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

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

Initial testing had indicated the teenager's infection was from bird flu and was confirmed in further testing, the Public ...

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 ...

(Photo by Alex Slitz/Getty Images) Getty Images San Antonio’s Gregg Popovich, the oldest coach in the NBA, suffered a mild ...

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