Who realized that a cowpox infection at an early age protected people against deadly smallpox infections?
A)Gregor Mendel
B)Edward Jenner
C)Claude Bernard
D)Louis Pasteur

Question

Quizplus · Accepted Answer

Edward Jenner realized that a cowpox infection at an early age protected people against deadly smallpox infections. He used this observation to develop the first vaccine by inoculating people with cowpox to protect them against smallpox.

Who Realized That a Cowpox Infection at an Early Age