摘要
新型冠状病毒(以下简称"新冠病毒")重复感染是新冠病毒感染防控工作中关注的重点内容之一,系统梳理目前新冠重复感染发生率、流行特征、影响因素等的研究进展,对于完善优化我国防控策略具有重要意义.截至2023年2月15日,PubMed、Embase、Cochrane Library、中国知网、维普数据库和万方数据知识服务平台新冠病毒重复感染相关文献显示重复感染率在2%~7%.多数研究均表明重复感染疾病的严重程度有所降低;重复感染主要与流行毒株、接种疫苗、性别、年龄和基础疾病有关.
Abstract
The reinfection of COVID-19 is one of the key issues in the prevention and control of this disease.Systematically combing the current research progress on the incidence,epidemiological characteristics and influencing factors of the reinfection of COVID-19 is of great significance for improving and optimizing our national prevention and control strategies.As of February 15,2023,relevant literatures about the reinfection of COVID-19 from PubMed,Embase,Cochrane Library,CNKI,VIP and Wanfang databases showed that the rate of COVID-19 reinfection was 2%-7%.Most studies had shown a decrease in the severity of reinfections,and the reinfection of COVID-19 was mainly related to epidemic strains,vaccination,gender,age and basic diseases.
基金项目
国家自然科学基金委员会面上项目(52078423)