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Edward Jenner, an English physician, discovered the smallpox vaccine in 1796. He came upon this discovery by noticing that milkmaids who had the cowpox virus, a less threatening disease, did not catch the dangerous smallpox. Jenner then infected an 8-year-old boy with the cowpox. After six weeks, he exposed the boy to the smallpox disease and the boy did not show any smallpox related symptoms.
Sone fun facts:
-Jenner coined the term 'vaccine': 'vaca' means cow in Latin.
-Before the vaccine, the Death Rate of the disease was up to 35%.
Wiki User
∙ 13y ago
Wiki User
∙ 7y agoSome estimates indicate that 20th century worldwide deaths from smallpox numbered more than 300 million. People have been using smallpox vaccine since Edward Jenner first tested his idea that inoculation with matter from a cowpox sore would protect a person from smallpox.
Wiki User
∙ 12y agoEdward Jenner
Wiki User
∙ 13y agoJenner
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