Objective To understand the epidemic characteristics of bacillary dysentery in Yunnan Province and provide reference for the prevention and treatment of bacillary dysentery in Yunnan Province.Methods All cases of bacillary dysentery reported in Yunnan Province during 2014-2022 were collected from the"China Disease Prevention and Control Information System".Excel 2019 software was used to map the population characteristics,ArcGIS 10.8 software was used to map the distribution of epidemic areas,and spearman correlation test was conducted on the correlation between incidence and climate characteristics in each region.Descriptive epidemiological methods were used to analyze the bacillary dysentery epidemic in Yunnan Province from 2014 to 2022.Results From 2014 to 2022,a total of 30 309 cases of bacillary dysentery were reported in Yunnan Province,with an average annual incidence rate of 7.03 per 100 000.The high-incidence areas were distributed from northwest to southeast,with an incidence rate of 7.36 per 100 000 in urban areas.Students and children were the main cases.The incidence rate in rural areas was 6.93 per 100 000,mainly farmers.The ratio of males to females in the population distribution was 0.99％;farmers and scattered children accounted for 72.33％;the age group of 0-＜10 years old accounted for the largest proportion,accounting for 40.82％.The peak period of incidence was from May to July,accounting for 37.61％.The main pathogenic bacteria were Shigella flexneri and Shigella sonnei.Conclusions Bacillary dysentery is mainly sporadic in Yunnan Province.Comprehensive measures such as health education according to local conditions should be taken.At the same time,the management of key places should be strengthened to prevent epidemic outbreaks.
Bacillary dysenteryEpidemiological characteristicsDrinking water safety
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