What is vaccine and who discovered it?
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Edward Jenner is considered the founder of vaccinology in the West in 1796, after he inoculated a 13 year-old-boy with vaccinia virus (cowpox), and demonstrated immunity to smallpox. In 1798, the first smallpox vaccine was developed.
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Vaccine: A product that stimulates a person's immune system to produce immunity to a specific disease, protecting the person from that disease.
First vaccine was made by Edward Jenner in 1796 which provided immunity against smallpox disease
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