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[目的]了解龙岩市健康人群流脑带菌状况与免疫水平,以确定高危人群,预测、预报流脑疫情。[方法]2005年3月,对龙岩市部分健康人群进行了流脑的带菌状况与血清抗体水平调查。[结果]调查168人,检出3株A群脑膜炎奈瑟菌,带菌率为1.49%;血清A群与C群流脑抗体阳性率分别为54.76%、29.76%,GMT分别为1∶0.49、1∶0.19,各年龄组均<1∶1.00。[结论]龙岩市健康人群有低水平的脑膜炎奈瑟菌携带率和流脑免疫水平,尚未发现C群菌的带菌者。
[Objective] To understand the status of streptococcal carriage and immunization in healthy population of Longyan City in order to identify high-risk groups, predict and forecast the epidemic of meningitis. [Methods] In March 2005, some healthy people in Longyan were investigated for the carrier status and serum antibody level of meningitis. [Results] A total of 168 people were investigated. Neisseria meningitidis serogroup A was detected in 3 strains with a prevalence of 1.49%. The positive rates of serogroup A and group C meningococcal antibodies were 54.76% and 29.76%, respectively, with GMTs of 1: 0.49 , 1:0.19, all age groups <1: 1.00. [Conclusion] The healthy population of Longyan City has a low level of Neisseria meningitidis carrier rate and immunization of meningitis, and no carriers of C group bacteria have been found.