Epidemiological characteristics of human brucellosis in Nangang District of Harbin City in 2006-2015 / 中华地方病学杂志

ABSTRACT

Objective To analyze the epidemic characteristics of brucellosis in Nangang District of Harbin City,and to provide a scientific basis for making strategies in prevention and control of the disease.Methods Descriptive epidemiological methods were used,epidemic characteristics (time distribution,regional distribution and population distribution) of the disease in Nangang District of Harbin City in 2006-2015 were studied,and brucellosis cases were reported online through the national epidemic network.Results A total of 105 cases of brucellosis were reported,the average annual incidence rate was 7.84/100 thousand and no death case.The number of cases was the highest in 2014,it was 21 cases,the incidence rate was 1.57/100 thousand;the number of cases was the least in 2010,it was 3 cases,the incidence rate was 0.22/100 thousand;in 2006,the number of cases was 9,the incidence rate was 0.67/100 thousand;in 2015,the number of cases was 17,the incidence rate was 1.27/100 thousand.The incidence of the disease was mainly concentrated in summer and autumn,accounting for 65.71％ (69/105),the number of summer onset was 38,accounting for 36.19％ (38/105);the incidence of the autumn was 31,accounting for 29.52％ (31/105).In 2006-2012,the incidence of the disease was mainly concentrated in Wanggang and Hongqi townships,accounting for 60.00％ (30/50);after 2013,the cases in urban areas were on the rise,Wanggang and Hongqi townships accounted for 34.55％ (19/55).Incidence of male youth was the highest,male and female incidence ratio was 2.181.00 (7233);incidence peak was 30-60 years old,accounting for 60.95％ (64/105);after analyzing the incidence of occupational groups,farmer was the highest,accounting for 43.81％ (46/105).Transmission route was contact with cattle and sheep and lived in the environment cattle and sheep were breed,the number of cases was 34.Conclusions The incidence of brucellosis in Nangang District of Harbin City is rising after 2013.Disease season focus in summer and autumn,occupation focus in farmers,and the scope of the outbreak has been expanded.We should further strengthen publicity and education in disease focus season,improve the awareness of protection,in order to effectively control the epidemic of brucellosis.