Vaccine that protects against swine, human and bird flu could eliminate need for yearly shots Annual flu shots could become a thing of the past under a new vaccine strategy developed and tested by University of Nebraska–Lincoln virologist Eric Weaver and his laboratory team. University of Nebraska-Lincoln Medical Xpress

...

Research findings published in Nature Communications reveal a possible breakthrough. The study, "Epitope-Optimized Vaccine Elicits Cross-Species Immunity Against Influenza A Virus," describes a vaccine that protects against H1N1 swine flu and can also protect against influenza in humans and birds.

...