Biology, asked by superb2005, 11 hours ago

who is scientifically proved theory )0!n 1)abxcuwpzdx vaccination theory mutation theory ​

Answers

Answered by imsreenanda
8

Answer:

Edward Jenner is considered the founder of vaccinology in the West in 1796, after he inoculated a 13 year-old-boy with vaccinia virus (cowpox), and demonstrated immunity to smallpox. In 1798, the first smallpox vaccine was developed.

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