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

A second Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed mild ...

Three people in contact with a hospitalized bird flu patient in Missouri have developed symptoms, officials said.

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

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

A CDC team of epidemiologists, veterinarians, phlebotomists, and health communication specialists worked with the Ohio ...

The source of the girl's infection isn't known, though H9N2 has been reported in the country's poultry before.

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

In a disclosure that can't eliminate the possibility that bird flu may have spread from one human to another for the first ...

This is the 14th human case of bird flu reported this year in the United States and the first without a known occupational ...