Studies suggest that people who had seasonal flus or vaccinations have low antibody levels against H5N1 bird flu.

Dairies say the USDA relief money helped them sustain operations as bird flu decimated milk production, but critics say the ...

By Sara Frueh Over the past three years, bird flu — caused by the avian influenza A (H5N1) virus — has extended its reach around the U.S. and across many species. The virus arrived in wild birds, but ...