Until there's a vaccine to prevent infection with the new coronavirus, old vaccines against other germs might help. Scientists are testing them now.
Creating a vaccine capable of preventing the coronavirus that causes COVID-19 will take many months — if not a year or more. These are the steps involved., an immune expert at the UC San Diego School of Medicine, calls “an important curiosity that people have been interested in trying to harness.”
, a vaccine specialist at the U.S. Food and Drug Administration, who stressed that he was not speaking on behalf of the FDA. His mother was a Soviet scientist who in the 1970s published research showing flu cases dropped markedly after oral polio vaccination. In this photo from 1947, Charles D. Brown fills a vial with the BCG tuberculosis vaccine at a state-operated laboratory in Albany, N.Y.
But that takes time. So at the first sign of infection, white blood cells spring into action to fend off the invader in other ways — what’s called innate immunity. If they fail, then the body creates its more targeted special forces to join the fight.
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