Nationwide Results of COVID-19 Contact Tracing in South Korea: Individual Participant Data From an Epidemiological Survey

Seung Won Lee   ^{1 *} , MD, PhD ;   Woon Tak Yuh   ^{2 *} , MD ;   Jee Myung Yang   ^{3 *} , MD, PhD ;   Yoon-Sik Cho   ¹ , PhD ;   In Kyung Yoo   ⁴ , MD, PhD ;   Hyun Yong Koh   ⁵ , MD, PhD ;   Dominic Marshall   ⁶ , MD ;   Donghwan Oh   ⁷ , MD ;   Eun Kyo Ha   ⁸ , MD ;   Man Yong Han   ⁹ , MD ;   Dong Keon Yon   ^{9, 10} , MD

¹ Department of Data Science, Sejong University College of Software Convergence, Seoul, Republic of Korea

² Department of Neurosurgery, Seoul National University Hospital, Seoul, Republic of Korea

³ Department of Ophthalmology, Asan Medical Center, Seoul, Republic of Korea

⁴ Department of Gastroenterology, CHA Bundang Medical Center, Seongnam, Republic of Korea

⁵ FM Kirby Neurobiology Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States

⁶ Critical Care Research Group, Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom

⁷ Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea

⁸ Department of Pediatrics, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea

⁹ Department of Pediatrics, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Republic of Korea

¹⁰ Armed Force Medical Command, Republic of Korea Armed Forces, Seongnam, Republic of Korea

*these authors contributed equally