The concentration of infectious plaque forming units (pfu) per volume of fluid is known as the
A) infectivity.
B) virulence.
C) titer.
D) fluid infectivity.

Question

Quizplus · Accepted Answer

The concentration of infectious plaque forming units per volume of fluid is known as the titer. Infectivity refers to the ability of a pathogen to invade and replicate within a host, while virulence refers to the severity of disease caused by a pathogen. "Fluid infectivity" is not a commonly used term in microbiology.

The Concentration of Infectious Plaque Forming Units (Pfu) Per Volume