Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian ...

Older adults who were exposed to seasonal flu viruses that circulated prior to 1968 are more likely to have some protection ...

PHILADELPHIA— Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian influenza virus ...

The number of commercial flocks infected with avian influenza dropped in February, while infections in backyard flocks held ...

Ohio continues to lead the nation in number of cases of bird flu. As of March 10, the state has reported that 14,668,285 ...