Canadian public health officials closed their investigation into the teenager who became critically ill with the H5N1 bird flu virus, with no source of infection identified.

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

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

As an outbreak of bird flu among dairy cows continues, U.S. health officials reported Tuesday that the strain of bird flu ...

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

In recent months, raw milk has grown in popularity as people like Robert F. Kennedy Jr. and Gwyneth Paltrow promote drinking ...

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

The potential mutation would allow the avian influenza virus sweeping through dairy herds to attach to a receptor protein on ...

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

The H5N1 virus that has been prevalent in these California poultry flocks has also been spreading in commercial dairy cattle ...

The next pandemic could come from one of 1,650 pathogens that experts say need to be studied closely in the search for the ...

Nations are buying H5N1 bird flu vaccines as the virus continues to spread among livestock in the United States. Some experts say H5N1 may mutate into an international public health threat.