Hungary and Italy have both reported an outbreak of the severe H5N1 avian influenza virus in the first such cases in the ...

US states had reported outbreaks of H5N1 flu in dairy cows as of October 4, 2024. That amounted to a total of 255 affected ...

Federal officials plan to double the stockpile of emergency bird flu vaccines as they identify more people infected with the ...

Both patients were dairy workers whose illnesses were mild. Investigators are continuing to evaluate the contacts of a ...

Hospital workers reported respiratory symptoms after encountering a Missouri patient with H5N1 who had not been exposed to ...

Six health care workers in the US who were in close contact with a patient known to have bird flu developed mild respiratory ...

Researchers reveal how H5N1 viruses rapidly adapted to mammals through genetic reassortment and specific mutations, raising ...

The H5N1 strain first appeared in geese in 1996 and has caused bird outbreaks since then. Since 2020, a new variant of this ...

California reported its first H5N1 outbreaks in dairy cows in August. The two infected humans confirmed in the state on ...

Dhillon is an instructor in the Division of Global Health Equity at Brigham and Women’s Hospital and Harvard Medical School.

The new cases also mark the first human cases in California, the country's largest milk producer. The state is currently ...