Skip Navigation
Skip to contents

PHRP : Osong Public Health and Research Perspectives


Author index

Page Path
HOME > Articles and issues > Author index
Seung Hwan Shin 2 Articles
COVID-19 outbreak and risk factors for infection in a taekwondo gym in the Republic of Korea
Seung Hwan Shin, Eonjoo Park, Sookhyun Kim, Minji Jang, Subin Park, Dong-Hwi Kim, Tae Jong Son, Ji-Hyuk Park
Osong Public Health Res Perspect. 2022;13(2):162-170.   Published online March 31, 2022
  • 4,754 View
  • 119 Download
  • 7 Web of Science
  • 7 Crossref
AbstractAbstract PDF
Relatively few studies have assessed risk factors for coronavirus disease 2019 (COVID-19) in public facilities used by children and adolescents. This study presents an analysis of a COVID-19 outbreak that occurred in a taekwondo gym in Korea, predominantly among children and adolescents, with the aim of providing insights on managing COVID-19 outbreaks in similar facilities. Methods: All 108 taekwondo gym students and staff received COVID-19 tests. A survey and closed-circuit television analyses were used to identify risk factors. A univariate analysis was conducted, followed by multivariate logistic regression analysis with backward elimination for variables with a significance level <0.10 in the univariate analysis. Results: COVID-19 was confirmed in 30 of 108 subjects at the taekwondo gym (attack rate, 27.8%). The outbreak started in an adult class student. This student transmitted the virus to the staff, who consequently transmitted the virus to adolescent students. In the univariate analysis, the relative risk for younger age (≤9 years) was 2.14 (95% confidence interval [CI], 1.01–4.54; p=0.054), and that for food consumption inside the gym was 2.12 (95% CI, 1.04–4.30; p=0.048). In the multivariate logistic regression analysis, the odds ratio for younger age was 2.96 (95% CI, 1.07–8.20; p=0.036), and that for food consumption inside the gym was 3.00 (95% CI, 1.10–8.17; p=0.032). Conclusion: Food consumption inside the facility and young age were significant risk factors for COVID-19 transmission in this taekwondo gym. Food consumption should be prohibited in sports facilities, and infection prevention education for young students is also required.


Citations to this article as recorded by  
  • The First Outbreak of Novel Coronavirus Disease 2019 (COVID-19) at an Outdoor Camping Site in South Korea, 2020
    Na-Young Kim, Seonhee Ahn, GwangJin Kim, Donghyok Kwon, Young-Joon Park, Sang-Eun Lee
    Journal of Epidemiology.2024; 34(4): 203.     CrossRef
  • Risk evaluation of venue types and human behaviors of COVID-19 outbreaks in public indoor environments: A systematic review and meta-analysis
    Weiwei Huang, Caroline X. Gao, Danting Luo, Yong Wang, Xiaohong Zheng, Cong Liu, Ying Wang, Yuguo Li, Hua Qian
    Environmental Pollution.2024; 341: 122970.     CrossRef
  • Investigating Factors Contributing to the Occurrence of COVID-19 Outbreaks in Athletes in a Scoping Review
    Shuichi KASAMA, Haruyo SAKAKI, Eiko ENDO
    Taiikugaku kenkyu (Japan Journal of Physical Educa.2024; 69: 151.     CrossRef
  • The Risk of SARS-CoV-2 Transmission in Community Indoor Settings: A Systematic Review and Meta-analysis
    Mark Rohit Francis, Saheed Gidado, J Pekka Nuorti
    The Journal of Infectious Diseases.2024;[Epub]     CrossRef
  • SARS-CoV-2 transmission modes: Why and how contamination occurs around shared meals and drinks?
    Aure Saulnier, Jean-Michel Wendling, Benoit Hermant, Didier Lepelletier
    Food Microbiology.2023; 114: 104297.     CrossRef
  • Risk factors for COVID-19 outbreaks in livestock slaughtering and processing facilities in Republic of Korea
    Seongju Choi, Tae Jong Son, Yeon-Kyung Lee
    Osong Public Health and Research Perspectives.2023; 14(3): 207.     CrossRef
  • Protective facemask-induced facial thermal stress and breathing burden during exercise in gyms
    Qilong Zhong, Jiyun Song, Dachuan Shi, Chung-Hin Dung
    Building and Environment.2023; 244: 110840.     CrossRef
Comparative safety of monovalent and bivalent mRNA COVID-19 booster vaccines in adolescents aged 12 to 17 years in the Republic of Korea
Mijeong Ko, Seontae Kim, Seok-Kyoung Choi, Seung Hwan Shin, Yeon-Kyeng Lee, Yunhyung Kwon
Received March 20, 2024  Accepted April 21, 2024  Published online July 9, 2024  
DOI:    [Epub ahead of print]
  • 154 View
  • 13 Download
AbstractAbstract PDF
This study analyzed the safety of coronavirus disease 2019 (COVID-19) bivalent and monovalent booster vaccines, including the frequency of adverse events (AEs) such as myocarditis and pericarditis, in adolescents aged 12 to 17 years in the Republic of Korea. We aimed to share the safety profile of the COVID-19 bivalent vaccine booster doses. Methods: We analyzed the frequencies of AEs reported to the COVID-19 vaccination management system (CVMS) or self-reported through the text message survey (TMS). Diagnostic eligibility and causality with vaccines were compared using odds ratios (ORs) by vaccine type, and incidence rates per 100,000 person-days were calculated for confirmed cases of myocarditis and pericarditis following monovalent and bivalent booster doses. Results: In the CVMS, the AE reporting rate (per 100,000 doses) was lower after the bivalent booster (66.5) than after the monovalent booster (264.6). Among the AEs reported for both monovalent and bivalent vaccines, 98.2% were non-serious and 1.8% were serious. According to the TMS, both local and systemic AEs were reported less frequently after the bivalent vaccination than after the monovalent vaccination in adolescents aged 12 to 17 years (p<0.001). The incidence rates per 100,000 person-days for confirmed myocarditis/pericarditis following monovalent and bivalent booster doses were 0.03 and 0.05, respectively; this difference was not statistically significant (OR, 1.797; 95% confidence interval, 0.210–15.386). Conclusion: AEs in 12- to 17-year-olds following the bivalent booster were less frequent than those following the monovalent booster in the Republic of Korea, and no major safety issues were identified. However, the reporting rates for AEs were low.

PHRP : Osong Public Health and Research Perspectives