关键词: 鼠疫, 疫源地, 广西

Abstract: Objective To know the main plague reservoirs and vectors,and to identify the distributive region and the features of plague foci in Longlin and Xilin counties of Guangxi province. Methods The investigations were carried out in 53 villages with epidemiology methods. Rodents,fleas and plague indicative animals were collected for isolating Yersinia pestis and detecting of F1 antibody. Results The 10 species in 3 families of the 2 orders of the rodents and the 6 species of fleas were identified in the areas. Rattus flavipestus and Xenopsylla cheopis were the dominant species. The 25 strains Y.pestis were isolated from R.flavipestus and the 31 positive animals serums of F1 antibody were detected. Conclusion Based on the factors of geography,reservoirs,vectors and pathogens. The plague foci exist in Longlin and Xilin county of Guangxi province. The plague foci in the areas have the same feature with the plague foci of R.flavipectus.