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预防医学  2020, Vol. 32 Issue (2): 113-116    DOI: 10.19485/j.cnki.issn2096-5087.2020.02.002
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舟山市新型冠状病毒肺炎病例流行病学特征分析
唐安, 仝振东, 李科峰, 李鹏, 王虹玲, 戴亚欣, 俞梦璐, 张永利, 严剑波
舟山市疾病预防控制中心,浙江 舟山 316021
Epidemiological characteristics of coronavirus disease 2019(COVID-19)cases in Zhoushan
TANG An, TONG Zhendong, LI Kefeng, LI Peng, WANG Hongling, DAI Yaxin, YU Menglu, ZHANG Yongli, YAN Jianbo
Zhoushan Center for Disease Control and Prevention, Zhoushan, Zhejiang 316021, China
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摘要 目的 分析舟山市2020年1月19日—2月17日报告的新型冠状病毒肺炎(COVID-19)病例流行病学特征,为提高COVID-19防控能力提供依据。方法 依据《新型冠状病毒感染的肺炎诊疗方案(试行第五版)》中COVID-19诊断标准,以2020年1月19日—2月17日舟山市传染病疾病监测系统报告的COVID-19确诊病例为研究对象,收集流行病学调查资料和临床资料,对病例的基本情况、临床特征、感染途径、严重急性呼吸道综合征冠状病毒2型(SARS-CoV-2)核酸检测结果、病例流行病学关联及病例发现途径等特征进行描述性分析。结果 2020年1月19日—2月17日舟山市共报告COVID-19确诊病例10例,其中男性7例,女性3例;均为成年人,平均年龄(50.90±15.00)岁。截至2月17日5例治愈出院。潜伏期中位数为5 d,最短为2 d,最长为12 d。首发症状为发热8例,咳嗽7例,肌肉痛2例;CT显示肺部均有不同程度的磨玻璃样阴影。6例病例存在与武汉有关的暴露。10例病例均从痰液或咽拭子标本中检出SARS-CoV-2核酸阳性,同时在4例病例粪便标本中检出SARS-CoV-2核酸阳性。有5例病例的最后一次可疑暴露发生在母代确诊病例出现临床症状前,另5例的最后一次可疑暴露发生在母代确诊病例出现临床症状后。3例在出现临床症状后主动就诊发现,另7例为密切接触者主动采样监测发现。结论 舟山市确诊的10例COVID-19病例均为成年人,大多有武汉暴露史;部分病例粪便标本可以检出SARS-CoV-2核酸阳性,粪口传播是否存在尚需进一步研究;SARS-CoV-2具有较强的传染性,且在疾病症状前期(潜伏期末期)可能也具备传染性;密切接触者的隔离医学观察和早期采样监测有利于病例早期发现。
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唐安
仝振东
李科峰
李鹏
王虹玲
戴亚欣
俞梦璐
张永利
严剑波
关键词 新型冠状病毒肺炎严重急性呼吸道综合征冠状病毒2型流行特征    
AbstractObjective To study the epidemiological characteristics of coronavirus disease 2019 (COVID-19) in Zhoushan, so as to provide reference for improving the prevention and control capability of COVID-19. Methods All the confirmed cases of COVID-19 in Zhoushan, diagnosed according to China’s “COVID-19 diagnosis and treatment plan (fifth version) ” and reported from January 19 to February 17, 2020, were extracted from the infectious disease surveillance system. Data of general information, clinical characteristics, laboratory Results, transmission and detection routes were collected and analyzed. Results By February 17, Ten confirmed cases of COVID-19 in Zhoushan had been reported, including 7 males and 3 females. They were all adults, with an average age of (50.90±15.00) years. Five cases were discharged. The incubation period ranged from 2 to 12 days, with a median of 5 days. The first symptoms were fever (8 cases), cough (7 cases) and muscle pain (2 cases). Chest computed tomographic (CT) scans showed ground glass opacities in the lungs of all the cases. Six cases had Wuhan related exposure. SARS-CoV-2 was tested positive in the sputum specimens or throat swabs of all the cases and the faeces of 4 cases. The last suspicious exposure of 5 cases occurred before, and that of another 5 cases occurred after the onset of clinical symptoms in the confirmed maternal cases. Three cases were found in active consultation after clinical symptoms, and another 7 cases were found in the monitoring of close contacts. Conclusions The 10 confirmed cases of COVID-19 reported in Zhoushan are all adults, and most have Wuhan related exposure. SARS-CoV-2 can be detected in the fecal samples, but the existence of fecal-oral transmission needs more research. SARS-CoV-2 has strong infectivity, and may also have infectivity before the onset of symptoms (at the end of incubation period). Isolation and early detection of close contacts are conducive for early case-finding.
Key wordscoronavirus disease 2019    severe acute respiratory syndrome coronavirus 2    epidemiological characteristics
收稿日期: 2020-02-13      出版日期: 2020-02-27
ZTFLH:  R181.3  
基金资助:舟山市科技计划项目(2020C31004,2020C31005,2020C31006)
作者简介: 严剑波,E-mail:yanjianbo02@163.com
引用本文:   
唐安, 仝振东, 李科峰, 李鹏, 王虹玲, 戴亚欣, 俞梦璐, 张永利, 严剑波. 舟山市新型冠状病毒肺炎病例流行病学特征分析[J]. 预防医学, 2020, 32(2): 113-116.
TANG An, TONG Zhendong, LI Kefeng, LI Peng, WANG Hongling, DAI Yaxin, YU Menglu, ZHANG Yongli, YAN Jianbo. Epidemiological characteristics of coronavirus disease 2019(COVID-19)cases in Zhoushan. Preventive Medicine, 2020, 32(2): 113-116.
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