The dose of a pathogen that will infect half of all cell cultures that are exposed to it. The smaller the dose, the greater the infectivity.

CCID50 is a sample topic from the Taber's Medical Dictionary.

To view other topics, please or .

Nursing Central is an award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. .