Canadian public health officials closed their investigation into the teenager who became critically ill with the H5N1 bird ...

Study published in Science says a single hemagglutinin mutation, similar to one seen in a Canadian case, could make H5N1 ...

The deadly bird flu variant H5N1 is spreading more widely than ever before. In March, the virus began spreading among dairy ...

Phylogenetic analysis of the two full-length genes showed that the virus was most similar to the B3.13 genotype viruses ...

A teen in British Columbia recently became critically ill after becoming infected with H5N1. H5N1 is a highly pathogenic ...

H5N1 bird flu affects poultry, dairy herds, and humans in North America, with concerns over genetic shifts and global ...

Abbotsford, British Columbia, has now had 100 commercial poultry flocks struck by highly pathogenic avian influenza (HPAI) ...

A teenager in Canada and a child in California have fallen ill without knowing how, after a first person in Missouri.

Global outbreak of H5N1 avian influenza virus raises concerns about human transmission and pandemic potential, requiring ...

Both flocks affected by this strain of highly pathogenic avian influenza were in Abbotsford, British Columbia.

The recent appearance of the H5N1 bird flu in pigs does raise viral reassortment concerns. Here's what we know about this ...

There is no evidence the youngster was exposed to livestock or any infected animals, deepening the mystery about the spread of H5N1 bird flu.