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.
Polio, which struck children disproportionately, could attack the central nervous system and cause muscle deterioration, paralysis and even death. In 1953, American virologist Jonas Salk announced the development of the worldâs first safe and effective polio vaccine. Explore eight surprising facts about the vaccine that has nearly eradicated the most dreaded disease of the 20th century.