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

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

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

Scientists find ‘conclusive’ evidence of spillover infections from wild birds in the east Asian country – home to five million horses Horses are silent carriers of H5N1 bird flu, a new study ...

open image in gallery This colorized electron microscope image released by the National Institute of Allergy and Infectious Diseases last March shows avian influenza A H5N1 virus particles.

A backyard flock in New Haven County has contracted bird flu, marking the second case of the Highly Pathogenic Avian ...

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 ...

This colorized electron microscope image released by the National Institute of Allergy and Infectious Diseases on March 26, ...

After another raw pet food recall and a cluster of H5N1 bird-flu-infected cats, Los Angeles county public health officials are re-upping their warning to pet owners: Stop feeding your dogs and ...