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

The reduction in global travel during COVID-19 offered researchers new insights into influenza spread and mutation. After ...

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

People have been hearing a lot about H5N1 bird flu — or highly pathogenic avian influenza — since a B.C. teen became the ...

Researchers have identified new roles for a protein long known to protect against severe flu infection -- among them, raising the minimum number of viral particles needed to cause sickness.

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

A Canadian teenager is hospitalized in critical condition with suspected bird flu, health officials reported Tuesday.

Protection from shots like the flu vaccine typically takes a couple of weeks to kick in, so getting one now may offer ...

A teenager in British Columbia is critically ill with Canada's first case of the H5N1 bird flu strain. While the virus has ...

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

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