Avian influenza virus from the ongoing outbreak in dairy cattle appears to be keeping its bird-infecting features rather than ...

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

H5N1 avian influenza virus was first found infecting cattle in 2024, though its risk of adapting to infect and spread through ...

Preexisting immunity to the 2009 H1N1 influenza virus provided near-complete protection against severe H5N1 disease and ...