The most important example of a disease that has almost disappeared from the world in the last half century or so is:

Question

Quizplus · Accepted Answer

Smallpox is the only disease that has been eradicated from the world through a global vaccination campaign led by the World Health Organization. Malaria, measles, influenza, and scarlet fever are still present in the world, although their prevalence has decreased through vaccination and other public health measures.

The Most Important Example of a Disease That Has Almost