Epidemiological Factors Associated with COVID-19 Clusters in Medical and Social Welfare Facilities
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- Imamura Tadatsugu
- Japan International Cooperation Agency, Japan Center for Postgraduate Education and Training, National Center for Child Health and Development, Japan
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- Ko Yura K.
- Department of Virology, Tohoku University Graduate School of Medicine, Japan Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Japan
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- Furuse Yuki
- Institute for Frontier Life and Medical Sciences, Kyoto University, Japan
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- Imamura Takeaki
- Department of Virology, Tohoku University Graduate School of Medicine, Japan
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- Jindai Kazuaki
- Department of Healthcare Epidemiology, Kyoto University, Japan
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- Miyahara Reiko
- Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Japan Medical Genome Science Project, National Center for Global Health and Medicine, Japan
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- Sando Eiichiro
- Department of General Internal Medicine & Clinical Infectious Diseases, Fukushima Medical University, Japan
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- Yasuda Ikkoh
- Department of General Internal Medicine & Clinical Infectious Diseases, Fukushima Medical University, Japan
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- Tsuchiya Naho
- Yamato-Clinic, Japan Tohoku Medical Megabank Organization, Tohoku University, Japan
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- Saito Mayuko
- Department of Virology, Tohoku University Graduate School of Medicine, Japan
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- Suzuki Motoi
- Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Japan
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- Oshitani Hitoshi
- Department of Virology, Tohoku University Graduate School of Medicine, Japan
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説明
<p>The characteristics of coronavirus disease 2019 (COVID-19) clusters in medical and social welfare facilities and the factors associated with cluster size are still not yet fully understood. We reviewed COVID-19 cases in Japan identified from January 15 to April 30, 2020 and analyzed the factors associated with cluster size in medical and social welfare facilities. In this study, COVID-19 clusters were identified in 56 medical and 34 social welfare facilities. The number of cases in those facilities peaked after the peak of the general population. The duration of occurrence of new cases in clusters was positively correlated with the number of cases in both types of facilities (rho = 0.44, P < 0.001; and rho = 0.69, P < 0.001, respectively). However, the number of days between the first case in a prefecture and the onset of clusters was negatively correlated with the number of cases only in clusters in social welfare facilities (rho = − 0.4, P = 0.004). Our results suggest that COVID-19 cases in those facilities were prevalent in the latter phase of the disease’s community transmission, although the underlying mechanisms for such a trend could differ between medical and social welfare facilities.</p>
収録刊行物
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- Japanese Journal of Infectious Diseases
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Japanese Journal of Infectious Diseases 75 (3), 281-287, 2022-05-31
国立感染症研究所 Japanese Journal of Infectious Diseases 編集委員会
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詳細情報 詳細情報について
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- CRID
- 1390573637768936576
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- NII論文ID
- 130008111992
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- NII書誌ID
- AA1132885X
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- ISSN
- 18842836
- 13446304
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- NDL書誌ID
- 032205465
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- PubMed
- 34719529
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- 使用不可