Eighty Percent Neutralization Endpoint Titer

**Semantic type:** Quantitative Concept

**Definition:** The reciprocal of the highest sample dilution level that results in a 80% or greater reduction in infectivity, biological or biochemical function. This should be reported as a titer.

**Synonyms:** - 80% NEUTRALIZATION TITER - 80% Neutralization Titer - 80% Neutralizing Titer