One case of smallpox occurs in a population in which it was previously eliminated. Which of the following best describes what has occurred?
A) Endemic
B) Epidemic
C) Pandemic
D) Infectivity

Question

Quizplus · Accepted Answer

An epidemic refers to the sudden increase in the number of cases of a disease above what is normally expected in that population or area. Since smallpox was previously eliminated from the population, the occurrence of even one case represents a sudden increase, thus fitting the definition of an epidemic.

One Case of Smallpox Occurs in a Population in Which