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为杜绝外来传染病的入侵 ,有效控制和消除麻疹 ,S市 1999年对 6 73名健康人群 (其中 35 5名 0～ 2 9岁当地健康人群及 318名外来民工 )进行麻疹血凝抑制 (HI)抗体测定。结果显示当地健康人群HI抗体阳性率为 86 .2 0 % ,GMT为 1∶4 .6 2 ,各年龄组之间阳性率及GMT经统计学处理差异有显著性。外来民工HI抗体阳性率为 72 .96 % ,GMT为 1∶2 .14 ,各年龄组之间 ,抗体阳性率及GMT经统计学处理差异无显著性。调查结果提示 ,有必要对较大年龄组人群进行麻疹再免 ,同时建议对外来民工进行麻疹强化免疫 ,并提高流动人口儿童免疫接种率。
In order to stop the outbreak of infectious diseases and effectively control and eliminate measles, S City conducted measles hemagglutination inhibition (HI) in 6 73 healthy people (355 local healthy people aged 0-29 and 318 migrant workers) in 1999 Antibody assay. The results showed that the positive rate of HI antibody in local healthy population was 86.2% and the GMT was 1: 4.62, the positive rate of GMT and the statistical difference of GMT among all age groups were significant. The HI positive rate of migrant workers was 72.96% and the GMT was 1: 2.14. There was no significant difference in the positive rate of antibody and GMT between different age groups by statistical analysis. The findings suggest that there is a need for re-immunization of measles in older age groups and that it is recommended to intensify measles immunity among migrant workers and to increase the immunization coverage of migrant children.