Edward Jenner's Collect fluid from Cow Pustule and injects to a eight Year old boy. Then he exposed the boy to Small pox and the boy to didn't get Small Pox. How do you appreciate 20 the daring action of Edward Jenner ?
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On May 14, 1796, Jenner took fluid from a cowpox blister and scratched it into the skin of James Phipps, an eight-year-old boy. A single blister rose up on the spot, but James soon recovered. On July 1, Jenner inoculated the boy again, this time with smallpox matter, and no disease developed. The vaccine was a success.
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