British scientist Edward Jenner was among the first people to develop the vaccine. In the late 17th Century, Jenner successfully prevented smallpox infection in several of his test subjects by inoculating them with the cowpox virus.
British scientist Edward Jenner was among the first people to develop the vaccine. In the late 17th Century, Jenner successfully prevented smallpox infection in several of his test subjects by inoculating them with the cowpox virus.
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