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.
This created some confusion in the general population since both were available until 1998. At that point, the Sabin vaccine was declared ineffective and Salkâs vaccine, 40 years later, was still the exclusive method for polio elimination. Thanks to Jonas Salk, the world has the ability to protect itself against a very dangerous virus. Polio does not bring the fear that it once did.