Variolation was first used
A) to treat individuals exposed to hepatitis.
B) to immunize the Chinese against smallpox.
C) to protect individuals against the plague during the Middle Ages.
D) to spread smallpox throughout the Native American populations.
E) for research purposes in the twentieth century.

Question

Quizplus · Accepted Answer

Variolation was an early method used to immunize individuals against smallpox, and it was first practiced in China.

Variolation Was First Used