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 ...

The H5N1 bird flu appears to be stampeding through dairy farms in California, the country's largest milk producer. Over the ...

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

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 ...

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

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

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

Beloved native swans are particularly susceptible to a deadly strain of bird flu, according to scientists who fear for native ...

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 ...