contact tracing
process of finding and identifying people in close contact with someone who is infected with a transmissible pathogen
en-GB/ˈkɒntækt ˈtɹeɪsɪŋ/
en-US/ˈkɑnˌtækt ˈtɹeɪsɪŋ/
process of finding and identifying people in close contact with someone who is infected with a transmissible pathogen