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目的了解龙岩市不同人群军团菌(LP)感染状况,为制定防治对策提供依据。方法用ELISA法对部分健康人群、高暴露人群及肺炎住院病例血清进行LP1-7抗体水平检测。结果 3类人群均有较高的LP感染率,总阳性率8.9%;IgG阳性率(6.1%)高于IgM(3.1%);3类人群的IgG阳性率、IgM阳性率和总阳性率差异均无统计学意义;男女总阳性率类似;健康人群与高暴露人群均以30~40岁组阳性率最高(>16%)。结论龙岩市各类人群中均有较高的LP感染率,应进一步加强军团菌监测,促进有效防治。
Objective To understand the status of Legionella (LP) infection among different populations in Longyan City and provide the basis for the prevention and treatment measures. Methods The levels of LP1-7 antibody in sera of some healthy people, highly exposed people and pneumonia patients were detected by ELISA. Results The prevalence of LP was higher in all 3 groups, with a positive rate of 8.9%. The positive rate of IgG was 6.1% higher than that of IgM (3.1%). The difference of IgG positive rate, IgM positive rate and total positive rate among the three groups There was no significant difference between the two groups. The total positive rate was similar between men and women. The highest positive rate (> 16%) was found in healthy and over-exposed groups. Conclusion All kinds of people in Longyan City have higher infection rate of LP, and should further strengthen the monitoring of Legionella and promote effective prevention and treatment.