Question

small pox vaccine was discovered by​

Answer 1

Answer:

Sir Alexander Fleming

Answer 2

Answer:

Edward Jenner

The smallpox vaccine, introduced by Edward Jenner in 1796, was the first successful vaccine to be developed. He observed that milkmaids who previously had caught cowpox did not catch smallpox and showed that inoculated vaccinia protected against inoculated variola virus.

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