On August 3, 2020, this report was posted online as an MMWR Early Release.Anna Krueger, MS1; Jayleen K. L. Gunn, PhD2; Joanna Watson, DPhil2; Andrew E.
Smith, ScD1; Rebecca Lincoln, ScD1; Sara L. Huston, PhD1,3; Emilio Dirlikov, PhD2; Sara Robinson, MPH1 (View author affiliations)Identification and quarantine of contacts of COVID-19 patients can reduce SARS-CoV-2 transmission.Maine found that using automated symptom monitoring as a part of the state’s contact tracing program was well received, with the majority of monitored contacts (96.4%) agreeing to automated symptom monitoring.