What term is used to designate how many bacteria or viruses are required to kill 50% of an experimental group of hosts? A) ID₅₀ B) LD₅₀ C) pathogenicity D) infectivity E) virulence

Question

Quizplus · Accepted Answer

The term used to designate how many bacteria or viruses are required to kill 50% of an experimental group of hosts is known as the lethal dose 50 (LD50). Option A is not a known term in microbiology, and options C, D, and E are related to pathogenicity but do not specifically refer to the lethal dose.

What Term Is Used to Designate How Many Bacteria or Viruses