50 Percent Cell Culture Infective Dose

**Semantic type:** Quantitative Concept

**Definition:** A potency unit defined as a minimal dose of infectious material at which preparation causes cytopathic effects (changes in the morphology and metabolism of cell culture cells, indicating cell death, due to suspected infection) in the 50% of the cell culture-containing vessels inoculated with that dilution of infectious material.

**Synonyms:** - 50% cell culture infectious dose - CCID50 - CCID50 - CCID_50 - CELL CULTURE INFECTIOUS DOSE 50% - CELL CULTURE INFECTIOUS DOSE 50% - CELL CULTURE INFECTIOUS DOSE 50% - [CCID_50] - [CCID_50] - [CCID_50] - [CCID_50] - [CCID_50] - cell culture infective dose 50 - {CCID_50} - {CCID_50}