Epidemiological study of brucellosis in Yingkou City of Liaoning Province from 2005 to 2014

Abstract

Objective To investigate the epidemic situation of brucellosis in Yingkou City of Liaoning Province, and to provide a basis for making prevention and control measures. Methods Surveillance data of human brucellosis in Yingkou City from 2005 to 2014 were collected throng the China information system for disease control and prevention. The method of retrospective data analysis was used to analyze the distributions of region, time, age, sex, and occupation distribution of brucellosis. Results A total of 348 cases were infected with brucellosis in Yingkou City from 2005 to 2014, 268 males and 80 females, and the sex ratio was 3.35∶1.00. The age was mainly concentrated in 35-< 65 years old, a total of 251 cases, accounting for 72.13% (251/348) of the total number of cases. Farmer was the main occupation of the patients, 295 cases, accounting for 84.77% (295/348) of the total number of cases. The city's lowest incidence was in 2011, 0.340/100 000, the highest in 2014, 3.343/100 000. All counties(districts or cities) had reported the epidemic, Gaizhou was the highest, a total of 225 cases, accounting for 64.66% (225/348) of the total number of cases. The onset time focused on April-September each year, 249 cases, accounting for 71.55% (249/348) of the total number of cases. Conclusions The epidemic of brucellosis in Yingkou City is in a spreading trend. Health education and inter-departments cooperation are in need in order to control the spreading of the epidemic. Key words: Brucellosis; Epidemiology; Research