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

HHS is re-evaluating a nearly $600 million contract with Moderna to develop and test vaccines against flu viruses that could ...

So to your point about H5N1, with the mortality being so high, it's possible that the traditional presentation was the sickest that presented, and that we are starting to see a different population.

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

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

Pigs are moderately susceptible to infection with a bovine-derived H5N1 avian influenza virus but don't spread it to other ...

The national capital has seen a sharp increase in cases of swine flu virus infection in the past 24 hours. According to ...