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SAT® Subject Test in U.S. History

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Medical Advancements

SATUSH-VNCPSF

During the 1950s, Dr. Jonas Salk developed a vaccine that helped decrease one of the most frightening childhood diseases in the world.

Which disease was greatly reduced?

A

Measles.

B

Diptheria.

C

Smallpox.

D

Polio.

E

Tuberculosis.