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[目的 ]了解宁德市恙虫病自然疫源地情况。[方法 ]捕抓农田活鼠检恙螨 ,用 PCR技术检测病原体 ;采取人和鼠血清检测恙虫病抗体。 [结果 ]地里纤恙螨出现在 5～ 10月 ,高峰为 9月 ,是夏秋季鼠体外绝对优势种 ;小板纤恙螨10月至翌年 4月 ,高峰在 11月 ,是冬春季鼠体外优势种。鼠血清抗体阳性率 11.8% (43/ 36 3) ,小板纤恙螨 PCR扩增阳性率 4.2 % (2 / 48)。 [结论 ]宁德市存在恙虫病的疫源地 ,夏秋季流行的恙虫病 ,地里纤螨为主要传播媒介 ;冬春季以小板纤恙螨为主要传播媒介
[Objective] To understand the natural epidemic situation of scrub typhus in Ningde City. [Method] The mite mites were caught in live farm mice and the pathogen was detected by PCR. The human and mouse sera were used to detect the tsutsugamushi antibodies. [Result] The chigger mites appeared in May-October and the peak was in September. They were the absolute dominant species in vitro in summer and autumn. The chickens with chibes were observed from October to next April and the peak was in November. In vitro species. The positive rate of mouse serum antibody was 11.8% (43/36 3), and the positive rate of PCR amplification of small chigger mite was 4.2% (2/48). [Conclusion] The epidemic area of scrub typhus was found in Ningde, the scrub typhus epidemic in summer and autumn, and the ground-borne fiber mites were the main vectors. In winter and spring, the chick mite was the main vector