河北省鼠疫自然疫源地内自然染疫蚤的研究

目的掌握河北省鼠疫疫源地内自然染疫蚤的种类、构成及与寄主的关系。方法统计分析我所1953～2003年间有关鼠疫监测资料。结果共判定染疫蚤3种，其中宽圆纤蚤是我国鼠疫自然疫源地内首次记录的疫蚤。结论秃病蚤蒙冀亚种为主要传播媒介，方形黄鼠蚤蒙古亚种和宽圆纤蚤为次要媒介，但二蚤对鼠疫的流行延续起到了一定的作用。

Study on Naturally Infected Plague Fleas in the Plague Natural Focus of Hebei Province

Objective To master species and composition of naturally infected plague fleas, relations between the fleas and their hosts, so as to inquire into each vector's status as propagating plague. Methods Collecting data of plague surveillance from 1953 to 2003, and analyzing statistically. Results 3 species of naturally infected fleas were determined, of which Rhadinopsylla rothschildi are identified as infected plague species for the first time in China. Conclusion The main vector is Nosopsyllus laeviceps kuzenkovi. Citellophilus tesquorum mongolicus and Rhadinopsylla rothschildi are secondary vectors, but they play a certain role in the plague epizootic prevalent and continuity.