Contact Tracing during Coronavirus Disease Outbreak, South Korea, 2020

• Published in: Emerging infectious diseases Vol. 26; no. 10; pp. 2465 - 2468
• Main Authors: Park, Young Joon, Choe, Young June, Park, Ok, Park, Shin Young, Kim, Young-Man, Kim, Jieun, Kweon, Sanghui, Woo, Yeonhee, Gwack, Jin, Kim, Seong Sun, Lee, Jin, Hyun, Junghee, Ryu, Boyeong, Jang, Yoon Suk, Kim, Hwami, Shin, Seung Hwan, Yi, Seonju, Lee, Sangeun, Kim, Hee Kyoung, Lee, Hyeyoung, Jin, Yeowon, Park, Eunmi, Choi, Seung Woo, Kim, Miyoung, Song, Jeongsuk, Choi, Si Won, Kim, Dongwook, Jeon, Byoung-Hak, Yoo, Hyosoon, Jeong, Eun Kyeong
• Format: Journal Article
• Language: English
• Published: United States U.S. National Center for Infectious Diseases 01.10.2020; Centers for Disease Control and Prevention
• Subjects: 2019 novel coronavirus disease; Adolescent; Adult; Age Distribution; Age Factors; Aged; Aged, 80 and over; Betacoronavirus; Child; Child, Preschool; Contact tracing; Contact Tracing - statistics & numerical data; Contact Tracing during Coronavirus Disease Outbreak, South Korea, 2020; coronavirus disease; Coronavirus Infections - epidemiology; Coronavirus Infections - transmission; Coronaviruses; COVID-19; Disease Outbreaks; Disease transmission; Dispatch; Epidemiology; Expedited; Family Characteristics; Households; Humans; Infant; Infant, Newborn; Middle Aged; Pandemics; Pneumonia, Viral - epidemiology; Pneumonia, Viral - transmission; Prevention; Public health; Republic of Korea - epidemiology; respiratory diseases; SARS-CoV-2; School closures; Severe acute respiratory syndrome coronavirus 2; Social distancing (Public health); Young Adult; Republic of Korea; United States > US; South Korea; China; COVID-19; SARS-CoV-2; South Korea; viruses; pneumonia; contact tracing; severe acute respiratory syndrome coronavirus 2; zoonoses; 2019 novel coronavirus disease; coronavirus disease; respiratory diseases
• ISSN: 1080-6040; 1080-6059; 1080-6059
• DOI: 10.3201/eid2610.201315

We analyzed reports for 59,073 contacts of 5,706 coronavirus disease (COVID-19) index patients reported in South Korea during January 20-March 27, 2020. Of 10,592 household contacts, 11.8% had COVID-19. Of 48,481 nonhousehold contacts, 1.9% had COVID-19. Use of personal protective measures and social distancing reduces the likelihood of transmission.