Analysis of plague surveillance in Wenquan county of Bortala Mongol Autonomous Prefecture from 2014 and 2023
Objective To analyze the surveillance data of plague epidemic in Wenquan county of Bortala Mongol Autonomous Prefecture(Bortala Prefecture for short)from 2014 to 2023,and provide scientific basis for the subsequent development of plague prevention and control strategies.Methods The surveillance data of plague from 2014 and to 2023 were collected and collated with EXCEL 2010,and statistically analyzed with the descriptive epidemiological methods..Results There was no human plague epidemic reported in Wenquan county from 2014 to 2023.The average density of marmota baibacina of route method and fixed point method was 0.62/hm2 and 1.81/hm2,respectively,in Wenquan county during 2014 to 2023.The average flea infection rate of marmota baibacina was 89.89％,with the flea index of 1.75.The average flea infection rate of spermophilus undulatus was 98.78％,with the flea index of 3.85.The serological and pathogenic test results were negative in the autonomously-captured host animals.The pathogenic results were negative in the parasite from the body surface of the captured host animals.There were 35 strains of Yersinia pestis isolated from 280 materials from reported self-dead animals.Among which,there were 26 strains isolated from marmota baibacinas and 1 strain isolated from vulpes,and 8 strains isolated from parasites(3 strains from oropsylla silantiewi,1 strain from callopsylla dolabris,3 strains from ixodex crenulatus and 1 strain from linognathoides laeviusculus).Conclusions The animal plague is prevalent in Wenquan County.In order to prevent herdsmen,construction workers,tourists in the epidemic foci from being infected with plague,it is necessary to further strengthen the monitoring of plague epidemics among animals,expand the scope of plague monitoring,enhance the ability to effectively deal with the plague epidemics,and strengthen the health publicity and education in the high-risk groups at the same time to strictly prevent the occurrence of human plague.
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