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 agencies are studying a case of human avian influenza in which the infected person did not have contact with affected ...

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

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

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

The spread of the H5N1 bird flu virus across 14 states in the US has baffled health experts, who are waiting for a few tests ...

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

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

There are four types of influenza virus: A, B, C and D. Influenza A is known to infect humans and other animals, including ...

A routine flu screening in late summer found the H5N1 virus in a Missouri patient. Unlike the other reported cases of avian ...

Germany reported an outbreak of highly pathogenic H5N1 bird flu on a farm in the eastern region of Saxony near the border ...

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