Epidemiological characteristics and risk factors of human brucellosis in Chenzhou City of Hunan Province in 2016

Abstract

Objective To study the epidemiological characteristics and risk factors of human brucellosis in Chenzhou City and provide a scientific basis for controlling brucellosis. Methods Descriptive epidemiological method was used to analyze the distribution of the cases, the source of transmission and the transmission route of human brucellosis reported in 2016 from the China Information System For Disease Control and Prevention and the Chenzhou Center for Disease Control and Prevention. Results In 2016, a total of 43 cases of human brucellosis were reported, with an incidence rate of 0.91/105. Among them, 34 males and 9 famales; age is (47.79 ± 15.16) years old. The peak period of brucellosis cases was reported from April to August, totally 36 cases. The age of brucellosis cases was mainly middle-aged, and thirty-one cases were reported in the age 40 to 60 years, accounting for 72.09% (31/43) of all cases. Fever, weak and hyperhidrosis were main clinical symptoms of brucellosis. Among the 43 cases of brucellosis, 42 cases had a history of animal contact, and sheep was the main source of infection, accounting for 78.57% (33/42). Conclusions In 2016, the cases of human brucellosis in Chenzhou City were mainly concentrated in spring and summer, the age of onset was mainly middle-aged, and males were higher than females. It is necessary to carry out in-depth knowledge and health education on disease prevention and control for high-risk groups in direct contact with animals, and effectively control the occurrence of human brucellosis. Key words: Brucella; Epidemiological characteristics; Risk factors