河南预防医学杂志2023年2月第34卷第2期HenanJPrevMed,Feb.2023,Vol.34,No.2河南省濮阳市某小学一起聚集性上呼吸道感染疫情病原学分析李广康,张清杰,张玉华,徐国锋,王爱梅,常艳林,赵俊君濮阳市疾病预防控制中心,河南濮阳457000摘要:目的分析河南省濮阳市某小学一起聚集性呼吸道感染病例的病原学特征。方法选取该小学83名学生为研究对象,分为发病组、密接组、对照组三组,采集研究对象口咽拭子标本采用多重PCR法进行病原学核酸检测,并对结果进行分析。结果27种呼吸道病原体核酸检测结果中乙型流感病毒、肺炎链球菌和流感嗜血杆菌呈现阳性。乙型流感病毒核酸检测发病组阳性率(94.12%)明显高于密接组(11.11%)和对照组(0.00%)(P<0.001),发病组、密接组和对照组肺炎链球菌阳性率分别为70.59%、55.56%和56.67%(P>0.05),流感嗜血杆菌阳性率分别为88.24%、72.22%和73.33%(P>0.05)。其他病原体未检出。多重PCR法及MDCK细胞和鸡胚病毒培养均表明乙型流感病毒为Victoria系。结论该小学上呼吸道感染病例的病原体主要是乙型流感病毒Victoria系,是由乙型流感病毒引起的暴发疫情。关键词:上呼吸道感染;口咽拭子;多重荧光定量PCR;病原学特征中图分类号:R725.1;R181.3文献标识码:B文章编号:1006-8414(2023)02-0130-03PathogeniccharacteristicsofaclusteringupperrespiratorytractinfectioninaprimaryschoolcasesinPuyangcity,HenanprovinceLIGuangkang,ZHANGQingjie,ZHANGYuhua,XUGuofeng,WANGAimei,CHANGYanlin,ZHAOJunjunPuyangCenterforDiseaseControlandPrevention,Puyang,Henan457000,ChinaCorrespondingauthor:XUGuofeng,E-mail:pycdclgk@163.comAbstract:ObjectiveToanalyzethepathogeniccharacteristicsofaclusteringupperrespiratorytractinfectioninaprimaryschoolinPuyangcity,Henan.MethodsAtotalof83studentsintheprimaryschoolwereselectedastheresearchobjects,anddividedintothreegroupstoanalyze:thecasegroup,theclosecontactgroup,andthecontrolgroup.SamplesoforopharyngealswabswerecollectedforpathogenicnucleicaciddetectionbymultiplexingPCR,andtheresultswereanalyzed.ResultsOfthenucleicacidtestresultsof27respiratorypathogens,influenzaBvirus,streptococcuspneumoniaeandhaemophilusinfluenzaewerepositive.ThepositiverateofinfluenzaBvirusnucleicaciddetectioninthecasegroup(94.12%)wass...