青海省囊谦县人间肺鼠疫爆发的调查

目的对青海省囊谦县2004年9—10月一起人间肺鼠疫疫情的调查。方法用流行病学调查、临床检查、细菌学和血清学检查及尸体解剖等方法进行分析和诊断。结果发病14例，死亡6例；首发病例为原发性败血型鼠疫继发肺鼠疫；其他为原发性肺鼠疫继发败血型鼠疫4例，原发性肺鼠疫9例。鼠疫疫区经常规处理，疫情被完全控制。结论狗叼食旱獭将染疫蚤带入帐房内叮咬人而传染鼠疫；其余病例经相互接触、空气飞沫或空气尘埃传播；该地区应加强鼠情监测，灭獭灭蚤．防止疫情再次发生。

Study on an epidemic of human lung plague in Nangqian county, Qinghai province

Objective To study an epidemic of human lung plague fulminant from September to October,2004 in Nangqian county,Qinghai province. Methods Cases were diagnosed through data from epidemiological, clinical, bacteriological, serological and autopsy studies. Results 14 patients were identified, ending up with 6 deaths and 8 cured. The first case was diagnosed as primary pesticemia late progressed to lung plague. 4 cases were transformed from pesticemia out of 13, leaving the 9 cases as primary lung plague. Situation was under complete control through routinely handling the plague focus. Conclusion The first case was bitten by the infected fleas which parasitized the marmota preyed on a dog but later these fleas were brought into the tent by the dog. The others cases were infected through droplets or dust. Programs on monitoring and controling the amount of marmotas and fleas should to be strengthened to prevent the epidemics of plague in the area.