By Arthur Allen – No one studying polio knew more than Albert Sabin, the Polish-American scientist whose vaccine against the crippling disease has been used worldwide since 1959. Sabin’s oral vaccine provides lifelong immunity. It has one drawback, which Sabin, who died in 1993, fiercely disputed:
By Arthur Allen & Liz Szabo – When getting vaccinated against covid-19, there’s no sense being picky. You should take the first authorized vaccine that’s offered, experts say. The newest covid vaccine on the horizon, from Johnson & Johnson, is probably a little less effective at preventing sickness than…
By Arthur Allen – How two effective vaccines on the market make it so much harder to quickly test any competing vaccines.
©2024 Answers Media Company, LLC