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논문 기본 정보

자료유형
학술저널
저자정보
Bae Sanghyuk (Department of Preventive Medicine College of Medicine The Catholic University of Korea Seoul Korea.) Kim Hwami (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Jung Tae-Young (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Lim Ji-Ae (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Jo Da-Hye (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Kang Gi-Seok (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Jeong Seung-Hee (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Choi Dong-Kwon (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Kim Hye-Jin (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Cheon Young Hee (Chungnam Center for Infectious Diseases Control and Prevention Hongseong Korea.) Chun Min-kyo (Seosan Public Health Center Seosan Korea.) Kim Miyoung (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Choi Siwon (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Chun Chaemin (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Shin Seung Hwan (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Kim Hee Kyoung (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Park Young Joon (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) Park Ok (Epidemiology & Case Management Team COVID-19 National Emergency Response Center Korea Centers f) 권호장 (단국대학교)
저널정보
대한의학회 Journal of Korean Medical Science Journal of Korean Medical Science Vol.35 No.31
발행연도
2020.1
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1 - 9 (9page)

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Background: In February 2020, a coronavirus disease 2019 (COVID-19) outbreak was reported in fitness centers in Cheonan, Korea. Methods: From February 24 to March 13, an epidemiological investigation was conducted on the fitness center outbreak. All those who were screened were tested for severe acute respiratory syndrome coronavirus-2 (SARS CoV-2) using real-time reverse transcriptase polymerase chain reaction. Contacts were traced and self-isolated for 14 days. We determined the epidemiological characteristics of confirmed cases of SARS-CoV-2 infection, and estimated the time-dependent reproduction number to assess the transmission dynamics of the infection. Results: A total of 116 cases were confirmed, and 1,687 contacts were traced. The source cases were 8 Zumba instructors who led aerobics classes in 10 fitness centers, and had the largest average number of contacts. A total of 57 Zumba class participants, 37 of their family members, and 14 other contacts were confirmed as cases. The attack rate was 7.3%. The contacts at Zumba classes and homes had a higher attack rate than other contacts. The mean serial interval (± standard deviation) were estimated to be 5.2 (± 3.8) days. The time- dependent reproduction number was estimated to be 6.1 at the beginning of the outbreak, but it dropped to less than 1, 2 days after the epidemiological investigation was launched. Conclusion: The results suggest that the COVID-19 outbreak was effectively contained with rigorous contact tracing, isolating, and testing in combination with social distancing without a lock-down.

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