Epidemic characteristics of epidemic hemorrhagic fever in Sichuan Province from 2018 to 2022
Objective To analyze the prevalence characteristics and incidence trend of epidemic hemorrhagic fever in Sichuan province from 2018 to 2022,so as to provide references for epidemic hemorrhagic fever prevention and control strategies in the future.Methods The descriptive epidemiology was used to analyze the time,region and population;SPSS 23.0 software was used to test the difference in incidence by x2 test,with the difference P＜0.05 was considered statistically significant.Results From 2018 to 2022,total of 855 cases of epidemic hemorrhagic fever were reported in Sichuan Province,with 71.81％of confirmed cases,28.19％of clinically diagnosed cases,and 3 deaths.The annual reported incidence was 0.20/105 and mortality 0.01/105.From 2018 to 2022,the overall incidence situation showed a downward trend of low fluctuation.The counties(districts)with the first number of cases and incidence rates were Yanyuan county,Liangshan Yi autonomous prefecture,whose reported number of cases accounted for 81.52％of the province,which leading the epidemic characteristics of the province.The counties(districts)in which cases had been reported for five consecutive years are Yanyuan county of Liangshan Yi autonomous prefecture and Wusheng county of Guang'an city.The counties(districts)with cases reported for four years include Quxian county of Dazhou city and Muli Tibetan autonomous county,Huidong county and Huili city of Liangshan Yi autonomous prefecture.The onset time in the province presents a bimodal distribution,the peak was in April-May(252/855,29.47％),small peak was in November-December(137/855,16.02％);The age group with the highest incidence of cases was from 10 to 14 years(104/855,12.16％);People outside of 16 to 60 years old accounted for 33.92％(290/855);The male-female sex ratio was 2.13(582/855,68.07％):1(273/855,31.93％);The occupation with the highest incidence was farmers(558/855,65.26％),next up were the students(188/855,21.99％).Conclusions The epidemic hemorrhagic fever in Sichuan Province showed a local cluster,mainly concentrated in Yanyuan county,Liangshan Yi autonomous prefecture.It is suggested that targeted prevention and control measures should be carried out in Yanyuan county,such as epidemic monitoring,patriotic health campaign for rodent prevention and control,prevention and control education,and full vaccination of eligible people.
EHF/HFRSepidemic characteristicsYanyuan countyprevention and control measures
万方数据
维普
