A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.

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

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, ...

British Columbia health officer Dr. Bonnie Henry shared in a news conference that a teenager, who contracted the first ...

A teenager has been left in critical condition after contracting the first presumptive human case of avian influenza in Canada. Expert Sam Scarpino discusses the health risk and potential for spread.

Pfizer and Moderna are hustling to develop an mRNA bird flu vaccine, the same technology used in the companies' respective COVID-19 vaccines.

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

Viruses work by taking control of our cells and carefully reprogramming them into machines to make more viruses. Because of ...

A Canadian teenager is currently in critical condition after contracting a suspected case of H5N1 bird flu, a British ...

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

The World Health Organization voiced alarm at the growing spread of H5N1 bird flu to new species, including humans, who face an ‘extraordinarily high’ mortality rate. Hong Kong should test for ...