What is vaccine ? Who invented vaccine
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An antigenic substance prepared from the causative agent of of a disease or a synthetic substitute.
Invented by Edward Jenner
Invented by Edward Jenner
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A vaccine is a substance that helps protect against certain diseases. Vaccines contain a dead or weakened version of a microbe. It helps your immune system recognize and destroy the living microbe during a future infection.
Vaccine was invented by Edward Jenner .
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