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目的了解潞西市农村健康人群的乙型脑炎免疫水平,为制定乙脑防治对策提供科学依据。方法将潞西市设为乙脑监测点,于流行季节前后分别采集健康人群血清标本,采用间接法ELISA检测乙脑IgG抗体,并进行统计分析。结果 2006年流行季节前(5月)采集血清199份,阳性21份,阳性率10.55%,流行季节后(11月)采集血清209份,阳性58份,阳性率27.75%,统计学检验有显著性差异。结论潞西市乙脑免疫水平较低,有发生乙脑流行危险,要通过疫苗接种提高免疫水平。
Objective To understand the immune status of Japanese encephalitis in rural healthy population in Luxi City, and to provide a scientific basis for the prevention and treatment of JE. Methods The Luxi City was set as JE monitoring point. Serum samples of healthy people were collected before and after the epidemic season. The IgG antibodies to JE were detected by indirect ELISA and analyzed statistically. Results Before the epidemic season in 2006, 199 serum samples were obtained, of which 21 were positive, with a positive rate of 10.55%. 209 serum samples were obtained after the epidemic season (November), with a positive rate of 27.75%. The statistical test was significant Sex differences. Conclusion There is a lower risk of Japanese encephalitis B in Luxi City. There is a risk of developing JE epidemic. Immunization should be improved by vaccination.