When a pathogen — any organism that causes a disease — jumps species, scientists get nervous because its genetic makeup can ...

Seven Delmarva-region commercial operations have now reported cases of the highly contagious virus.

A patient in Louisiana has died from avian influenza in what authorities consider to be the first severe H5N1 infection in a ...

None of the farm workers who may have been exposed is currently ill, according to county health officials. The farm is currently under quarantine.

Georgia is the nation's largest poultry producing state. Last week, bird flu was found for the first time in a commercial poultry plant in the state.

Moderna has been testing an mRNA candidate for influenza viruses like the H5 and H7 strains that are seen as pandemic threats ...