The onset of a given epidemic is indicated by a sharp rise in the number of cases reported daily over a brief interval. This indicates that the mode of transmission is
A) mechanical vector.
B) insect vector.
C) a common source.
D) host to host.

Question

Quizplus · Accepted Answer

A sharp rise in cases over a brief interval suggests a common source outbreak, where individuals are exposed to the same source of infection simultaneously.

The Onset of a Given Epidemic Is Indicated by a Sharp