Q.

The disease that has been eradicated from the world is:

A. Leprosy
B. Poliomyelitis
C. Chicken pox
D. Small pox
Answer» D. Small pox
Explanation: Eight attempts have been made to date to eradicate infectious diseases. Two successful programs targeted smallpox and rinderpest. The last naturally occurring case of smallpox (Variola minor) was diagnosed on 26 October, 1977.
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