The hypothesis that cowpox could provide protection against smallpox was tested by ________ and provided the basis for the first vaccine.
A) Robert Koch
B) Edward Jenner
C) Eduard Buchner
D) Louis Pasteur
E) Lazzaro Spallanzani

Question

Quizplus · Accepted Answer

Edward Jenner tested the hypothesis that cowpox could provide protection against smallpox by conducting an experiment in 1796 where he inoculated a young boy with cowpox and then later exposed him to smallpox, which the boy did not develop. This experiment provided the basis for the development of the first vaccine.

The Hypothesis That Cowpox Could Provide Protection Against Smallpox Was