Question

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The vaccine for small pox was discovered by
(a) Alexander Fleming
(b) Edward Jenner
(c) Louis Pasteur
(d) Rober Koch​

Answer 1

Explanation:

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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Answer 2

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b) Edward Jenner