What are vaccine Who discovered vaccine against smallpox
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vaccine is a mild form of a disease that is put (injected) into a person or an animal’s blood using a needle (an injection) in order to protect the body against that disease Edward Jenner discovered vaccine against smallpox
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VACCINE:-
the vaccine is a biological preparation that provides active acquire immunity to a particular infectious disease.
EDWARD JENNER DISCOVERED THE VACCINE against SMALL POX.
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