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68例脊髓灰质炎野病毒病例的流行病学分析
l995年4月．掺回,[link widoczny dla zalogowanych]，1995年5月30日中国计划免痤1996年4月第2卷第2期ANⅡ，IImMIICALANALYSISoFPOUoMvEIITlSCASESCAUSEDBY咖PoUoVIRUsFOUNDINCHINA,1993～1994ZhangⅪngIuWangKeanZhangLibiZhangJianLiJieHOuXiaohuiCaoLeiLiJieLiYixing)(uTaoMacOtten‘fChu~seAcademyofpre,~-tionMedneBoiji~lflO0~O】AnepidemiologicanalysisofpoliomyelitiscasesinChinain1993—1994causedbywildpoliovirusfoundthroughpoliosurveillancesystemandtheevaluationonthissamesystemwerereported．Althoughonlyisolateofwildpoliovirustype3inXinjiangwasconfirmedtheepidemicstrainsofpriorityweretype1Amongthewildpoliovirusconfirmedcases96％werethechildrenunder4yearsofage，whoappearedtobetheextremelyhigh—riskpopulation．sexratiowas2：1．TherewasanobviouspeakseasonofthediseaseandinwhichmostofthecasesoccurredfromMarchtoJuneGeographicdistributionofthecaseswereinruralareasandmostofthemwereduetoSODlebigoutbreaksinsomesouth·ernhigh—riskprovinces．Examingtheimmunizationhistory，44％and66％ofthec~seshavenotreceivedanyOPVornotreceived3completevaccinationdosesrespectively．68％ofthecaseswerecharacterizedforcollectingstoolsampleswithin14daysthroughthesurveillances~tem．ItisofimportancethatlearningmoreepidemiologiccharacteristicebenefitsforincreasingpoliosurveillancequalityespeciallyinthelaststageofpolioeradicationinChina．Keywords：Poliomyelitis，Poliovirus，Epidemiology,[link widoczny dla zalogowanych]，Surveillance·w肿(上接69页)1I1名正常人中抗体阳性者80人,[link widoczny dla zalogowanych]，阳性率7207％,GMT为l：7．80。其中以l1～14岁组阳性率最高．为9565％,[link widoczny dla zalogowanych]，加～40岁组最低．为47．06％，GMT以8～10岁组最高，为1：23．78,20～4o岁组最低，为l：3．40。从本次调查看，我市麻疹疫苗免疫成功率的调查结果与外地报道一致,[link widoczny dla zalogowanych]，正常人群麻疹抗体水平调查结果与外地报道不一致，原因有待今后进一步调查收稿：I995年12月19日
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