The latest human case of bird flu in the U.S. occurred in a patient with no reported exposure to affected animals, sparking ...

Oseltamivir has a controversial past. Governments around the world have spent billions of dollars to stockpile the drug since ...

Another health care worker who was exposed to a Missouri patient who tested positive for bird flu developed respiratory ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

On Monday state officials announced they had completed testing on all 95 licensed farms in Massachusetts that have dairy ...

Health authorities have said that stockpiled Tamiflu should work well against H5N1. Some experts question that bet.

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

Researchers in Texas detected H5N1 in wastewater from 10 cities, but the risk to humans is currently low. Ongoing ...