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.
Even before another successful vaccine was discovered, Dr. Salk's discovery had reduced polio and its effects by 97 percent. Today, polio is not a familiar disease to younger Americans, and many have difficulty appreciating the magnitude of the disorder that the Salk vaccine virtually wiped from the face of the Earth.onas Edward Salk (/sÉËlk/ ; October 28, 1914 â June 23, 1995) was an American medical researcher and virologist. He discovered and developed the first successful polio vaccine.