The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

While the H5N1 bird flu keep spreading, the first reported H5N9 outbreak in the United States has been identified on a duck ...

First U.S. detection of virulent H5N9 strain, at a California duck farm, draws scrutiny as evidence of genetic reassortment ...

The highly pathogenic avian influenza H5N1 infection has killed millions of birds around the world, and has spread to humans ...

Its alert to doctors and hospitals follows a few rare but mysterious bird flu cases in the US – including, most recently, a child in San Francisco confirmed to have had H5N1 influenza – that ...

A child in San Francisco who had red eyes and a fever had a probable case of H5N1 bird flu, according to the city’s Department of Public Health. The case was caught by routine surveillance.

Bird flu, also known as H5N1, was first reported in New London County after a backyard flock came into contact with wild ...

Poultry can still be exhibited and sold in unaffected counties with biosecurity measures in place. The department may extend ...

The H5N9 strain was found at a California duck farm that has already lost nearly 119,000 birds to the more common H5N1 variant of the disease, which is formally known as Highly Pathogenic Avian ...

For the first time since the 2022 countrywide outbreak, bird flu hit a poultry producer in Georgia, the nation's top state ...

This colorized electron microscope image released by the National Institute of Allergy and Infectious Diseases on March 26, 2024, shows avian influenza A H5N1 virus particles ... radius were put under ...