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1、S16Oralpresentations,ESCV2009,Amsterdam/JournalofClinicalVirology44Suppl.1(2008)S5–S16O.7.5O.7.7HumanbocavirusinfectionshaveseasonaltransmissiondynamicsImpactofdurationofillnessonviralloadanddetectionrateofviralM.Waris1,T.Ylinen1,O.Ruuskanen2,T.Heikkinen2.1DepartmentofpathogensbymultiplexPCRinrespir
2、atorytractinfectionsVirology,UniversityofTurku,Turku,Finland,2DepartmentofPaediatrics,R.Brittain-Long1,L-M.Andersson1,J.Westin1,S.Olofsson2,M.Lindh2.UniversityofTurku,Turku,Finland1Depts.ofClinicalVirologyandInfectiousdiseases,SahlgrenskaUniversityHosp,Gothenburg,Sweden,2DeptofClinicalVirology,Sahlg
3、renskaPurpose:Humanbocavirusisacommon?ndinginchildrenwithrespiratoryUniversityHospital,Gothenburg,Swedeninfections.Itisoftenfoundtogetherwithothervirusesanditsroleastheprimarycauseofthesymptomsisnotcompletelyclear.TheaimofthisstudyPurpose:WehaveevaluatedamultiplexPCRmethodforrapiddetectionofwastodet
4、erminetheincidence,clinicalfeatures,andimpactofbocavirusviralandbacterialpathogensinadultpatients(>18yrs)withsymptomsofRTIinfectionsinalargecohortofFinnishchildren.forlessthantwoweeks.Methods:Thecohortconsistedof1338children<13yearsofage,whowereMethods:Throatandnasopharyngealswabsfrom219out-patients
5、alongprospectivelyfollowedforanysignsofrespiratoryinfectionduringtwoperiodswith100asymptomaticcontrolswereobtainedduringtwowinterseasonsbetweenOctoberandMayin2000–2002.Ateachnewvisittothestudyclinic,(Oct-Apr2006?07and2007?08).Thefollowingagentswereanalysed;anasalswabwascollectedforvirologicaldiagnos
6、is.BocavirusDNAwasRhinovirus,Coronavirus(229E,OC43,NL63),In?uenzaA&Bvirus,detectedinstorednucleicacidextractsusingreal-timePCRwithadual-labelParain?uensavirus1?3,Humanmetapneumovirus,RS-virus,Adenovirus,probe.Wetestedatotalof2930specimensincludingeveryspecimenfromEnterovirus,M.pneumoniae&C.pneumonia
7、e.Clinicalanddemographicthe?rstthreemonthsofthestudyandeverythirdspecimenthereafter.datawererecordedaccordingtoastandardisedquestionnaire.Results:TherewasaclearperiodicityoftheappearanceofbocavirusRes
