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[目的 ] 证实湘南莽山林区莱姆病疫源地的存在。[方法 ] 选择莽山林区为调查点 ,用间接免疫荧光抗体试验 (IFA)进行人群的血清学检测 ;用直接免疫荧光抗体试验 (DFA)和暗视野显微镜观察进行媒介蜱的病原学鉴定。 [结果 ] 检测 395份自然人群的血清 ,莱姆病感染率为 6 .33% ,不同职业人群感染率差异无显著性 (χ2 =2 .5 2 8,P>0 .0 5 ) ;检查蜱 2 12只 ,微小牛蜱为优势种 ,其中肠带莱姆病螺旋体率为 15 % (3/ 2 0 )。 [结论 ] 可以确定湘南莽山林区存在莱姆病的自然疫源地。
[Objective] The study confirmed the existence of Lyme disease source in Mangshan forest area in southern Hunan. [Method] The Mangshan forest area was selected as the investigation point, serological test was conducted in the population by indirect immunofluorescence antibody test (IFA), and the etiological identification of the media ticks was carried out by direct immunofluorescence antibody test (DFA) and dark field microscopy. [Results] The prevalence of Lyme disease in 395 natural populations was 6.33%. There was no significant difference in infection rates among different occupational groups (χ2 = 2.528, P> 0.05) 2 12, Boletus tomentosa is the dominant species, including Lyme disease of spirochete rate of 15% (3/2 0). [Conclusion] The natural foci of Lyme disease could be determined in Mangshan forest area in southern Hunan province.