[Investigation and analysis on characteristics of a cluster of COVID-19 associated with exposure in a department store in Tianjin].
Identifieur interne : 000043 ( an2020/Analysis ); précédent : 000042; suivant : 000044[Investigation and analysis on characteristics of a cluster of COVID-19 associated with exposure in a department store in Tianjin].
Auteurs : W S Wu [République populaire de Chine] ; Y G Li [République populaire de Chine] ; Z F Wei [République populaire de Chine] ; P H Zhou [République populaire de Chine] ; L K Lyu [République populaire de Chine] ; G P Zhang [République populaire de Chine] ; Y. Zhao [République populaire de Chine] ; H Y He [République populaire de Chine] ; X Y Li [République populaire de Chine] ; L. Gao [République populaire de Chine] ; X M Zhang [République populaire de Chine] ; H. Liu [République populaire de Chine] ; N. Zhou [République populaire de Chine] ; Y. Guo [République populaire de Chine] ; X M Zhang [République populaire de Chine] ; D. Zhang [République populaire de Chine] ; J. Liu [République populaire de Chine] ; Y. Zhang [République populaire de Chine]Source :
- Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi [ 0254-6450 ] ; 2020.
Abstract
Objective: To describe the epidemiological characteristics of a cluster of COVID-19 cases reported in Baodi district of Tianjin as of 18 February, 2020, which might be associated with the exposure in a local department store, and provide suggestions for prevention and control strategy development. Methods: The basic characteristics, time and area distributions, clinical manifestations, epidemiological history and transmission mode of the COVID-19 cases associated with the department store exposure were analyzed. Results: A total of 40 COVID-19 cases were associated with the department store exposure, accounting for 75.47% of the total confirmed cases (53 cases) reported in Baodi district. The cases were mainly at the age of 60 years or older (35.00%) and farmers (40.00%). The main clinical manifestations included fever (95.00%), cough (35.00%), and diarrhea (15.00%). The proportion of confirmed severe cases was 32.50%. The incidence curve showed that the incidence peak occurred on 31 January, 2020. Among the 40 cases, 6(15.00%) were department store employees, 19(47.50%) were customers and 15(37.50%) were close contacts (secondary cases). The first case occurred on 21 January, 2020, this case was a department store employee who had a purchasing history at whole sale markets in other provinces and cities before the onset, and 3 employees were still on duty after symptom onsets. The median of the incubation period of customer cases was 6 days, and the median of the interval between onset and medical treatment of customer cases was 7 days. Conclusion: This was a cluster epidemic of COVID-19, which might be associated with the exposure in the department store. By now, the current prevention and control measures have achieved satisfied effects.
DOI: 10.3760/cma.j.cn112338-20200221-00139
PubMed: 32133830
Affiliations:
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Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Li, Y G" sort="Li, Y G" uniqKey="Li Y" first="Y G" last="Li">Y G Li</name><affiliation wicri:level="1"><nlm:affiliation>Baodi District Center for Disease Control and Prevention, Tianjin 301800, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Baodi District Center for Disease Control and Prevention, Tianjin 301800</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Wei, Z F" sort="Wei, Z F" uniqKey="Wei Z" first="Z F" last="Wei">Z F Wei</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhou, P H" sort="Zhou, P H" uniqKey="Zhou P" first="P H" last="Zhou">P H Zhou</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Lyu, L K" sort="Lyu, L K" uniqKey="Lyu L" first="L K" last="Lyu">L K Lyu</name><affiliation wicri:level="1"><nlm:affiliation>Experimental Detection Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Experimental Detection Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, G P" sort="Zhang, G P" uniqKey="Zhang G" first="G P" last="Zhang">G P Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhao, Y" sort="Zhao, Y" uniqKey="Zhao Y" first="Y" last="Zhao">Y. Zhao</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="He, H Y" sort="He, H Y" uniqKey="He H" first="H Y" last="He">H Y He</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Li, X Y" sort="Li, X Y" uniqKey="Li X" first="X Y" last="Li">X Y Li</name><affiliation wicri:level="1"><nlm:affiliation>Experimental Detection Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Experimental Detection Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Gao, L" sort="Gao, L" uniqKey="Gao L" first="L" last="Gao">L. Gao</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, X M" sort="Zhang, X M" uniqKey="Zhang X" first="X M" last="Zhang">X M Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Baodi District Center for Disease Control and Prevention, Tianjin 301800, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Baodi District Center for Disease Control and Prevention, Tianjin 301800</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Liu, H" sort="Liu, H" uniqKey="Liu H" first="H" last="Liu">H. Liu</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhou, N" sort="Zhou, N" uniqKey="Zhou N" first="N" last="Zhou">N. Zhou</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Guo, Y" sort="Guo, Y" uniqKey="Guo Y" first="Y" last="Guo">Y. Guo</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, X M" sort="Zhang, X M" uniqKey="Zhang X" first="X M" last="Zhang">X M Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, D" sort="Zhang, D" uniqKey="Zhang D" first="D" last="Zhang">D. Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Liu, J" sort="Liu, J" uniqKey="Liu J" first="J" last="Liu">J. Liu</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, Y" sort="Zhang, Y" uniqKey="Zhang Y" first="Y" last="Zhang">Y. Zhang</name><affiliation wicri:level="1"><nlm:affiliation>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Epidemiology Working Group for COVID-19, Tianjin Centers for Disease Control and Prevention, Tianjin 300011</wicri:regionArea><placeName><settlement type="city">Tianjin</settlement></placeName></affiliation></author></analytic><series><title level="j">Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi</title><idno type="ISSN">0254-6450</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><b>Objective:</b> To describe the epidemiological characteristics of a cluster of COVID-19 cases reported in Baodi district of Tianjin as of 18 February, 2020, which might be associated with the exposure in a local department store, and provide suggestions for prevention and control strategy development. <b>Methods:</b> The basic characteristics, time and area distributions, clinical manifestations, epidemiological history and transmission mode of the COVID-19 cases associated with the department store exposure were analyzed. <b>Results:</b> A total of 40 COVID-19 cases were associated with the department store exposure, accounting for 75.47% of the total confirmed cases (53 cases) reported in Baodi district. The cases were mainly at the age of 60 years or older (35.00%) and farmers (40.00%). The main clinical manifestations included fever (95.00%), cough (35.00%), and diarrhea (15.00%). The proportion of confirmed severe cases was 32.50%. The incidence curve showed that the incidence peak occurred on 31 January, 2020. Among the 40 cases, 6(15.00%) were department store employees, 19(47.50%) were customers and 15(37.50%) were close contacts (secondary cases). The first case occurred on 21 January, 2020, this case was a department store employee who had a purchasing history at whole sale markets in other provinces and cities before the onset, and 3 employees were still on duty after symptom onsets. The median of the incubation period of customer cases was 6 days, and the median of the interval between onset and medical treatment of customer cases was 7 days. <b>Conclusion:</b> This was a cluster epidemic of COVID-19, which might be associated with the exposure in the department store. By now, the current prevention and control measures have achieved satisfied effects.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li></country><settlement><li>Tianjin</li></settlement></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Wu, W S" sort="Wu, W S" uniqKey="Wu W" first="W S" last="Wu">W S Wu</name></noRegion><name sortKey="Gao, L" sort="Gao, L" uniqKey="Gao L" first="L" last="Gao">L. Gao</name><name sortKey="Guo, Y" sort="Guo, Y" uniqKey="Guo Y" first="Y" last="Guo">Y. Guo</name><name sortKey="He, H Y" sort="He, H Y" uniqKey="He H" first="H Y" last="He">H Y He</name><name sortKey="Li, X Y" sort="Li, X Y" uniqKey="Li X" first="X Y" last="Li">X Y Li</name><name sortKey="Li, Y G" sort="Li, Y G" uniqKey="Li Y" first="Y G" last="Li">Y G Li</name><name sortKey="Liu, H" sort="Liu, H" uniqKey="Liu H" first="H" last="Liu">H. Liu</name><name sortKey="Liu, J" sort="Liu, J" uniqKey="Liu J" first="J" last="Liu">J. Liu</name><name sortKey="Lyu, L K" sort="Lyu, L K" uniqKey="Lyu L" first="L K" last="Lyu">L K Lyu</name><name sortKey="Wei, Z F" sort="Wei, Z F" uniqKey="Wei Z" first="Z F" last="Wei">Z F Wei</name><name sortKey="Zhang, D" sort="Zhang, D" uniqKey="Zhang D" first="D" last="Zhang">D. Zhang</name><name sortKey="Zhang, G P" sort="Zhang, G P" uniqKey="Zhang G" first="G P" last="Zhang">G P Zhang</name><name sortKey="Zhang, X M" sort="Zhang, X M" uniqKey="Zhang X" first="X M" last="Zhang">X M Zhang</name><name sortKey="Zhang, X M" sort="Zhang, X M" uniqKey="Zhang X" first="X M" last="Zhang">X M Zhang</name><name sortKey="Zhang, Y" sort="Zhang, Y" uniqKey="Zhang Y" first="Y" last="Zhang">Y. Zhang</name><name sortKey="Zhao, Y" sort="Zhao, Y" uniqKey="Zhao Y" first="Y" last="Zhao">Y. Zhao</name><name sortKey="Zhou, N" sort="Zhou, N" uniqKey="Zhou N" first="N" last="Zhou">N. Zhou</name><name sortKey="Zhou, P H" sort="Zhou, P H" uniqKey="Zhou P" first="P H" last="Zhou">P H Zhou</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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