eKi2mmyco5nesiriagre eKi2mmyco5nesiriagre

22-02-2016
Health

Answered

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

measles; smallpox

cowpox; smallpox

polio; cowpox

smallpox; cowpox

Verified Answer :

23-08-2017

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.

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rainepowell504 rainepowell504

26-05-2019

The correct answer is the last option: smallpox; cowpox

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