内蒙古自治区1990～1993年脊髓灰质炎病例分析

Analysis on Poliomyelitis Cases in Inner Mongolia in 199O-1993

内蒙古自治区１９９０～１９９３年９７例ＡＦＰ病例中，６８例确诊为脊灰，其中４４．１２％的脊灰病例有实验室依据。四年共分离出１３株脊灰病毒，全区范围内未提示存在优势株。血清学急性期ＥＬＩＳＡ－ＩｇＭ试验显示，１９９０、１９９１、１９９３年脊灰抗体阳性率分别为７５％、２６％及０％，呈递减趋势。

ut of 97 AFP cases, 68 were confirmed Polio in Inner Mongolia in 199O-1993,in which44.12%were diagnosed according to laboratory results. In this period,13 strains of polio viruswere isolated and identified from the stool samples of 62 AFP cases.The etiological results sug-gested that there was no dominant strain of polio virus in the whole region. Serological resultsshowed that the positive rates of IgM antibody against polio virus were 75%,26%and 0% in 1990,1991,1993 respectively which seemed to have a declining trend.