Add Yahoo as a preferred source to see more of our stories on Google. Vaccine research quickly picked up to try to prevent a possible flu pandemic in 1976. AP Photo Nineteen-year-old U.S. Army Pvt.

Q:I was in the military in 1976 when we were required to get a swine-flu vaccine. But now I hear that there is a new swine-flu vaccine. If I was vaccinated back then, am I protected from the current ...