Contact Tracing

**Definition:** Identification of those persons (or animals) who have had such an association with an infected person, animal, or contaminated environment as to have had the opportunity to acquire the infection.

**Tree numbers:** - E05.318.270 - N06.850.520.270 - N06.850.780.200.225

**Synonyms:** - Communicable Disease Contact Tracing - Contact Investigation - Contact Screening - Infectious Disease Contact Tracing