The dose of an antigen that kills 50% of animals in a test group and is used to estimate the virulence of a pathogen is known as
A. Antigen dose50.
B. Virulence-50.
C. LD50 (lethal dose50).
D. Death rate-50.
Answer:C
The dose of an antigen that kills 50% of animals in a test group and is used to estimate the virulence of a pathogen is known as
A. Antigen dose50. B. Virulence-50. C. LD50 (lethal dose50). D. Death rate-50.