Variolation was first used
A) to treat individuals exposed to hepatitis.
B) to protect individuals against the plague during the Middle Ages.
C) for research purposes in the 20th century.
D) to immunize the Chinese against smallpox.
E) to spread smallpox throughout the Native American populations.

Question

Quizplus · Accepted Answer

Variolation was an early method used to immunize individuals against smallpox, and it was practiced in China before it spread to other parts of the world.

Variolation Was First Used