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Analysis of the on-ship transmission of the COVID-19 mass outbreak on the Republic of Korea Navy amphibious warfare ship
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Soo Hyeon Cho, Young-Man Kim, Gyeongyong Seong, Sunkyun Park, Seoncheol Park, Sang-Eun Lee, Young Joon Park
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Epidemiol Health. 2022;44:e2022065. Published online August 11, 2022
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DOI: https://doi.org/10.4178/epih.e2022065
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Abstract
OBJECTIVES This investigation was conducted to determine the size and pattern, source, and transmission route of the coronavirus disease 2019 (COVID-19) outbreak on the Republic of Korea Navy (ROKN) amphibious warfare ship.
METHODS We investigated the characteristics of all crew members and tracked the medical records of the confirmed cases. Fourteen essential ship operation personnel were interviewed. The study design was a retrospective cohort study, and the incidence rate ratio was through a statistical program.
RESULTS The COVID-19 incidence on the ROKN amphibious warfare ship was 44.7% (38/85). It was estimated that the main propagation route started from the 1st floor worker, which spread to the same floor, and then to other floors. In the case of the working area, the incidence rate of crew members below the 1st floor without ventilation was higher than those on the 2nd or higher floors with natural ventilation.
CONCLUSIONS This case is the first case of a COVID-19 outbreak on the ROKN amphibious warfare ship, and it is estimated that the incidence rate is high because of the closed and dense environment. To prevent the spread of various respiratory diseases including COVID-19, unified mitigation such as vaccination, observing personal quarantine rules, periodic ventilation, preemptive testing, and blocking transmission through prompt contact management is necessary.
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Summary
Korean summary
본 조사는 국내 첫 해군 상륙함 내 코로나19 집단발생의 규모 및 양상, 감염원과 전파경로를 규명하기 위해 수행되었다. 해군 상륙함에서의 발생률은 44.7%였으며 자연 환기가 가능한 2층 이상 근무자에 비해 환기가 불가능한 1층 이하 근무자의 발생률이 높았고 이는 통계적으로 유의했다. 밀폐된 환경에서 밀접한 생활을 하는 해군 상륙함의 특성을 고려하여 개인방역수칙 준수, 주기적 환기, 선제적 검사, 신속한 접촉자 관리 등을 통한 전파 차단이 필요할 것으로 판단된다.
Key Message
This investigation was conducted to determine the size and pattern of the outbreak of the COVID-19 infection, the source of infection and the transmission route on the ROK Navy Amphibious Warfare ship. The incidence on ROKN Amphibious Warfare ship was 44.7% (38/85) and the incidence rate of crew members below the first floor without ventilation was higher than those on the second floor or higher with natural ventilation. To prevent various respiratory diseases including COVID-19, unified mitigation such as vaccination, observing personal quarantine rules, periodic ventilation, preemptive testing, and blocking transmission through prompt contact management is necessary.
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Citations
Citations to this article as recorded by
- Indoor Air Quality and COVID-19: A Scoping Review
Axelle Braggion, Adeline Dugerdil, Olwen Wilson, Francesca Hovagemyan, Antoine Flahault Public Health Reviews.2024;[Epub] CrossRef
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Experience of a COVID-19 outbreak response in a general hospital in Gyeonggi Province, Korea
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Chanhee Kim, Gawon Choi, Shin Young Park, Jieun Kim, Young Joon Park, Kyungnam Kim
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Epidemiol Health. 2021;43:e2021083. Published online October 18, 2021
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DOI: https://doi.org/10.4178/epih.e2021083
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Abstract
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Abstract
OBJECTIVES Coronavirus disease 2019 (COVID-19) outbreaks in general hospitals are particularly risky because they not only overburden the regional healthcare delivery system, but also increase the possibility of community transmission. This study shares an experience of a COVID-19 outbreak response in a general hospital in Gyeonggi Province, Korea.
METHODS Since the first COVID-19 confirmed case was recognized in Hospital A on March 29, 2020, the Immediate Response Team of Gyeonggi Province and Korea Disease Control and Prevention Agency devised a plan to conduct an epidemiological investigation and minimize the paralysis of hospital functions. Apart from the epidemiological investigation, a risk assessment of the hospital and management of contacts, including patients and workers, were also undertaken.
RESULTS In total, 72 confirmed cases were identified, including 26 hospitalized patients, 16 healthcare personnel, 7 visitors, and 22 cases identified externally. The majority of the confirmed cases were exposed in Ward B or were contacts of people exposed in Ward A (58.3% of 72 cases). Among healthcare personnel, caregivers were found to be the most vulnerable to COVID-19 in this outbreak.
CONCLUSIONS Preparation for all possible situations in medical facilities is important because it is difficult to find alternative resources. The findings of this study provide information on controlling the further transmission of COVID-19 and furnish evidence of the importance of ordinary management skills to be prepared for COVID-19.
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Summary
Korean summary
본 연구에서는 2020년 경기도 소재 한 종합병원에서 발생한 코로나19 유행 대응 사례 경험을 공유한다. 병원 외 지역사회 전파 사례를 포함하여 총 72명의 확진자가 이 유행에서 확인되었다. 종합병원은 지역 의료전달체계에서 중요한 역할을 하고 있기 때문에 코로나19로 인해 그 기능이 마비되지 않도록 예방하는 것이 가장 바람직하며, 이를 위해서는 평상 시에 적절한 대비 체계를 갖추어 두어야 한다.
Key Message
This study shares the experience of responding to the COVID-19 outbreak at a general hospital in Gyeonggi-do, 2020. A total of 72 confirmed cases were identified, including cases of community based transmission outside the hospital. Since general hospitals play an important role in the medical delivery system, it is most desirable to prevent the function from being paralyzed by COVID-19 situation, and for this, and appropriate preparedness should be established.
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Citations
Citations to this article as recorded by
- Vaccine effectiveness and the epidemiological characteristics of a COVID-19 outbreak in a tertiary hospital in Republic of Korea
Seonhee Ahn, Tae Jong Son, Yoonsuk Jang, Jihyun Choi, Young Joon Park, Jiseon Seong, Hyun Hee Kwon, Muk Ju Kim, Donghyok Kwon Osong Public Health and Research Perspectives.2023; 14(3): 188. CrossRef - Effect of changes in the hearing aid subsidy on the prevalence of hearing loss in South Korea
Chul Young Yoon, Junhun Lee, Tae Hoon Kong, Young Joon Seo Frontiers in Neurology.2023;[Epub] CrossRef
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