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Smallpox was one of the most violent epidemics in human history. His contribution to human being is really great and tremendous.
Brilliant man indeed.Thanks to him i have had the smallpox injection against it even though we don't have smallpox anymore..well not here.
Keep your vaccinations up to date!
I read about this once. Jenner noticed that when people contracted the much more milder cowpox disease, they never came down with smallpox afterwards. Thus the smallpox vaccine is made from the cowpox virus.
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