In just over a decade of efforts, the World Health Organization (WHO) eradicated smallpox by using worldwide
A) education campaigns.
B) destruction of infected domestic animals.
C) education campaigns and destruction of infected domestic animals.
D) vaccination programs.

Question

Quizplus · Accepted Answer

The best choice is D because the WHO eradicated smallpox using vaccination programs. The vaccination program involved the widespread distribution of the smallpox vaccine to large populations, resulting in the eradication of the disease by 1980.

In Just Over a Decade of Efforts, the World Health