Effectiveness of contact tracing in the control of infectious diseases: a systematic review

Published on February 22, 2022

Contact tracing is used for multiple infectious diseases, most recently for COVID-19, but data regarding its effectiveness in disease control are scarce. To address this knowledge gap and inform public health decision making for COVID-19, the study systematically reviewed the existing literature to determine the effectiveness of contact tracing in the control of communicable illness. The Lancet Public Health