2021年1月黑龙江省望奎县新型冠状病毒肺炎疫情流行特征分析  

Epidemic characteristics of Cornona virus disease 2019 in Wangkui County, Heilongjiang Province in January 2021

作　　者：高飞[1] 焦喆 闫兴录 冯红旗 许军[1] 李敬晶 孙彦波 刘学[1] 赵岚[1] 李权 闫世春[1] 唐剑辉[1] 孙殿军 孙巍[1] Gao Fei;Jiao Zhe;Yan Xinglu;Feng Hongqi;Xu Jun;Li Jingjing;Sun Yanbo;Liu Xue;Zhao Lan;Li Quan;Yan Shichun;Tang Jianhui;Sun Dianjun;Sun Wei(Food Safety and School Health Center,Heilongjiang Provincial Center for Disease Control and Prevention,Harbin 150030,China;Heilongjiang Provincial Key Laboratory of Etiological Epidemiology in Colleges and Universities,Key Laboratory of National Health Commission for Etiology and Epidemiology,Center for Endemic Disease Control,Chinese Center for Disease Control and Prevention,Harbin Medical University,Harbin 150081,China)

机构地区：[1]黑龙江省疾病预防控制中心食品安全与学校卫生所,哈尔滨150030 [2]哈尔滨医科大学中国疾病预防控制中心地方病控制中心国家卫生健康委病因流行病学重点实验室黑龙江省普通高校病因流行病学重点实验室,哈尔滨150081

出　　处：《中华地方病学杂志》2022年第11期934-939,共6页Chinese Journal of Endemiology

摘　　要：目的分析黑龙江省望奎县新型冠状病毒肺炎(COVID-19)疫情的流行特征, 为优化疫情防控策略提供参考依据。方法应用中国疾病预防控制中心全国传染病报告信息管理系统、突发公共卫生事件报告管理信息系统、黑龙江省和绥化市疾病预防控制中心流行病学调查报告、黑龙江省卫生健康委员会公开发布的疫情信息, 分析2021年1月黑龙江省望奎县COVID-19疫情的流行特征。结果 2021年1月9日至2月5日, 望奎县共报告新型冠状病毒感染者804例, 感染率为280.29/10万, 疫情波及绥化、哈尔滨、牡丹江、齐齐哈尔、伊春和大庆共6个市的20个区县。COVID-19感染者男女性别比为1.08 ∶ 1.00(418 ∶ 386);年龄中位数为50岁, 范围为3个月至93岁。确诊病例和无症状感染者比例为1.23 ∶ 1.00(444 ∶ 360), 二者性别比例和年龄、职业分布比较差异均有统计学意义(P均< 0.05)。发生聚集性疫情的场所有314个, 以家庭聚集为主(300个, 95.54%), 涉及平均感染者人数较多的场所为宴席(25.75例/场所)和食杂店/棋牌室(16.00例/场所)。结论 2021年1月望奎县COVID-19疫情是一起典型的北方农村地区暴发疫情, 大量聚集活动、人员在密闭空间内频繁接触等因素是本次疫情快速传播的主要原因。Objective To analyze the epidemic characteristics of Cornona virus disease 2019(COVID-19)in Wangkui County,Heilongjiang Province,and to provide a reference for optimizing epidemic prevention and control strategies.Methods The epidemic characteristics of COVID-19 in Wangkui County,Heilongjiang Province in January 2021 were analyzed by applying the national infectious disease report system and information management system of Heilongjiang Provincial Center for Disease Control and Prevention,the public health emergency report management information system,the epidemiological investigation report of the Heilongjiang Provincial Center for Disease Control and Prevention and Suihua Municipal Certer for Disease Control and Prevention,and the epidemic information publicly released by the Health Commission of Heilongjiang Province.Results From January 9 to February 5,2021,804 cases infected with Cornona virus were reported in Wangkui County,with an infection rate of 280.29/100000.The epidemic affected 20 districts and counties in 6 cities,including Suihua,Harbin,Mudanjiang,Qiqihar,Yichun and Daqing.The sex ratio of male to female was 1.08∶1.00(418∶386),the age ranged from 3 months to 93 years old,and the median age was 50 years old.The proportion of confirmed cases and asymptomatic infection was 1.23∶1.00(444∶360),there were significant differences in gender,age and occupation between them(P<0.05).There were 314 places where the aggregation epidemic occurred,with family aggregation as the main way(300 households,95.54%).The places with the highert average number of cases were banquets(25.75 cases/place)and grocery stores/chess and card rooms(16.00 cases/place).Conclusions In January 2021,the epidemic of COVID-19 in Wangkui County is a typical outbreak in rural areas of North China.The main reasons for the rapid spread of the epidemic are a large number of gathering activities,frequent contact of personnel in confined spaces and other factors.

关 键 词：新型冠状病毒肺炎 聚集性疫情 无症状感染者 流行特征 

分 类 号：R511[医药卫生—内科学] R181.3[医药卫生—临床医学]