3 years ago

Edward Jenner discovered a vaccination against __ by infecting a boy with _.

Health

2 answers:

Luda [366]3 years ago

7 0

The correct answer is the last option: smallpox; cowpox

Zepler [3.9K]3 years ago

6 0

<span>Edward Jenner discovered a vaccination against [smallpox] by infecting a boy with [cowpox]. He noticed that milkmaids who got cowpox never got smallpox and developed his theory from there. He is the father of the study of immunity and immunisation.</span>

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