The number of organisms necessary to cause infection is termed the
A) infectious dose.
B) fatal number.
C) minimum lethal dose.
D) pathogenic number.
E) incidence number.

Question

Quizplus · Accepted Answer

The infectious dose is the number of microorganisms required to cause infection in an individual. It varies depending on the virulence of the microbe and the susceptibility of the host.

The Number of Organisms Necessary to Cause Infection Is Termed