Epidemiological characteristics of human brucellosis in Hunan Province, 2017-2021
TANG Zi-xuan1, YANG Hao2, LUO Kai-wei2, CHEN Sheng-bao2, SUN Qian-lai2, ZENG Ge2, LIU Zi-yan2, DAI Zhi-hui2, ZHAO Shan-lu2, WANG Xiao-lei2, HU Shi-xiong2, XIAO Shui-yuan1
1. Xiangya School of Public Health, Central South University, Changsha, Hunan 410028, China; 2. Hunan Provincial Center for Disease Control and Prevention, Changsha, Hunan 410005, China
Abstract：Objective To understand the infection status of brucellosis in key population and the epidemic regularity of brucellosis in Hunan Province from 2017 to 2021, and to provide scientific evidence for formulating brucellosis prevention and control strategies. Methods The epidemiological characteristics of brucellosis cases reported in Hunan Province from 2017 to 2021 were descriptively analyzed. Results A total of 960 brucellosis cases were reported in Hunan Province during 2017-2021, with an average incidence rate of 0.28/100,000. Cases were mainly distributed in Yongzhou City, Chenzhou City, Huaihua City, Shaoyang City and Changsha City, accounting for 59.48% of the total cases. The number of reported cases showed a fluctuating upward trend, with the incidence rate rising from 0.26/100,000 in 2017 to 0.36/100,000 in 2021. The peak of brucellosis incidence was mainly from April to July. Cases were reported in all age groups, ranging from 8 days old to 90 years old. Most cases were reported in the group aged 50-<60 years, with 322 cases (accounting for 33.54%). There were 679 male cases and 281 female ones, with a male-to-female ratio of 2.42:1. Farmers accounted for the highest proportion of occupation (64.06%). Conclusion The number and incidence rate of human brucellosis cases reported in Hunan Province in 2017-2021 were on the rise, and the high incidence region was in the southwest of Hunan Province. It is suggested that medical institutions should establish a multi-department joint prevention and control mechanism and form a flexible and efficient mechanism for joint prevention and control of brucellosis.
2023, Vol. 30 
