KMID : 1143420210140191215
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Public Health Weekly Report 2021 Volume.14 No. 19 p.1215 ~ p.1224
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Results of epidemiological investigation of the Coronavirus Disease-19 epidemic that occurred in fitness centers
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Kim Eun-Young
Park Shin-Young Lee Seon-Young Yu Jeong-Hee Lee Myung-Ok Lee Joo-Hyung Kwon Keun-Sang Park Jung-Im Han Hye-Won Sung Min-Ki Jo Seong-Min Bang Jong-Il Kim Gwang-Jin Jang Hyun-Chul Lee Hyeon-Ju Yi Seon-Ju Park Young-Joon
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Abstract
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An epidemiological investigation was conducted to minimize the spread of local communities by identifying the risk factors
for the outbreak of Coronavirus Disease-19 (COVID-19) outbreaks in indoor sports facilities and by preparing effective
quarantine measures for related facilities. This survey was conducted on 189 peoples who used Fitness Center A from February 15 to February 25, 2021. In order to analyze the general characteristics of the confirmed patients collected through epidemiological investigations, and to evaluate the degree of life quarantine implementation, an online survey and CCTV analysis were conducted for fitness center A users. The risk of aerosol diffusion in the spinning room was evaluated by conducting field exposure risk assessment and computational fluid dynamics analysis.
From February 25 to March 13, 2021, 49 out of 189 users (25.9%) of Fitness Center A were confirmed, and an additional
spread of 31 people occurred in pubs, cafes, restaurants, and homes. As a result of the survey on the degree of wearing a
mask, 93.8% (30/32 people) of confirmed patients and 98.1% (52/53 people) of non-confirmed responded that most of
them wear a mask during exercise. On the other hand, as a result of the analysis through CCTV, 39.9% (63/158 people) were wearing masks in the spinning exercise space. As a result of the aerosol confidence simulation, it was confirmed that the large droplets discharged during exercise spread throughout the spinning chamber after 2 minutes In a space with insufficient ventilation or a dense environment, it is important to observe the rules of life prevention such as periodic ventilation, refraining from using facilities in case of suspicious symptoms, and wearing a mask, as it is possible to spread COVID-19 even at a distance of 2m or more.
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KEYWORD
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Coronavirus Disease-19 (COVID-19), Fitness center, Outbreak
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