To do that with DNA, we need to tell the DNA what to replicate, and then give it the means to do so. We do this by using enzymes and primers. Primers are a subject for another time, but they are responsible for telling the polymerase where to do its work.
Polio was nearly eradicated when society decided to mass produce and use a vaccine created by Jonas Salk. Polio was a big issue but they managed to cure it with a vaccine. Comments.
Tuesday is the 100th anniversary of the birth of Jonas Salk, who invented the vaccine. ROBERT SIEGEL, HOST: A lethal disease threatening the American public, a race against time to prevent its spread-this is not the story of Ebola, but of the fight against polio 60 years ago.e haven't seen a case of polio in the United States in close to 30 years, and that's because we vaccinate. SIEGEL: Gives us a sense of the impact that the successful testing of the Salk vaccine had on Jonas Salk.