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目的分析1990年以来云南省临沧市鼠疫流行情况。方法按照时间顺序描述1990年以来临沧市各县(市)鼠疫流行情况,根据鼠疫流行波及的宿主、媒介,分析流行性质及流行特征。结果 1990—2005年临沧市鼠疫流行14年次,2006—2014年未再发现鼠疫流行线索;鼠疫流行期波及1个区6个县,其中耿马流行6年次、临翔区(临沧县)流行10年次、镇康流行7年次、云县流行5年次、双江、凤庆、沧源县分别流行1年次;临沧市共发生144个疫点,157个疫点次,有13个疫点是第二次流行,疫点复发率9.03%,其中11个分布在临翔区,诊断腺鼠疫患者91例,死亡2例;从啮齿动物和患者体中分离出鼠疫菌319株,其中黄胸鼠分离鼠疫菌303株、占94.98%,从媒介中分离鼠疫菌39株,其中印鼠客蚤分离34株、占87.18%。结论临沧市鼠疫流行属本地区家鼠鼠疫复燃,现阶段鼠疫流行得到有效控制。
Objective To analyze the epidemic situation of plague in Lincang, Yunnan since 1990. Methods The epidemic situation of plague in counties (cities) of Lincang since 1990 was described in chronological order. The prevalence and prevalence characteristics of plague were analyzed according to the hosts and intermediaries spread to the epidemic of plague. Results The plague epidemics in Lincang from 1990 to 2005 were conducted 14 times. No plague clues were found between 2006 and 2014. Plague epidemics affected 6 counties in 1 area. Among them, Gengma prevailed six years and Linxiang (Lincang County) popular 10 years, 7 years epidemic of town health, popular five years in Yunxian, Shuangjiang, Fengqing, Cangyuan prevalence were 1 year times; a total of 144 outbreaks in Lincang City, 157 outbreaks 13 outbreaks were the second epidemic with a recurrence rate of 9.03%. Eleven of them were found in Linxiang district, 91 were diagnosed as bubonic plague and 2 died. The plague was isolated from rodents and patients There were 319 strains of bacteria, of which 303 strains were isolated from Rattus flavipectus, accounting for 94.98%. 39 strains of Yersinia pestis were isolated from the medium, of which 34 strains were isolated from fleas, accounting for 87.18%. Conclusions The epidemic of plague in Lincang belongs to the rejuvenation of the house-pest plague in this area. At the present stage, the epidemic of plague has been effectively controlled.