who discovered vaccine for smallpox?
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Explanation:
The basis for vaccination began in 1796 when an English doctor named Edward Jenner observed that milkmaids who had gotten cowpox did not show any symptoms of smallpox after variolation. The first experiment to test this theory involved milkmaid Sarah Nelmes and James Phipps, the 9 year-old son of Jenner's gardener
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Answer:
Edward Jenner discovered the vaccine for smallpox in 1798.
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