The Dose of an Antigen That Kills 50% of Animals

question 6

Multiple Choice

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.