Epidemiological characteristics of brucellosis in Zibo City Shandong Province from 2006 to 2014 / 中华地方病学杂志

ABSTRACT

Objective To analyze the epidemiological characteristics and trend of human brucellosis in Zibo.Methods The data of brucellosis was derived from China information system for diseases control and prevention, from the epidemiology case study and outbreak event of brucellosis.Descriptive statistical analysis was used to analyze the incidence, the distribution of time, region and population, the transmission, seropositive rate of vulnerable groups, and the epidemiological characteristics of the cases from 2006 to 2014.Results A total of 541 brucellosis cases were reported between 2006 and 2014, the incidence rates increased from 0.16 per 100 000 to 4.94 per 100 000, and cases were found in about 65％ (62/95) of the towns.The disease showed a seasonal cycle with peak period between March and August annually, accounting for 70.61％ (382/541) of the total cases.Vocational high risk population were animal keepers, butchers, sellers and producers, accounting for 73.20％ (396/541), and foodbome infection accounted for 9.61％ (52/541).A total of 8 outbreak events were reported from 2006 to 2014.Conclusions The incidence of brucellosis has increased and the epidemic areas have expanded year by year.Spring and summer are the peak seasons of the disease.Foodborne infection is increasing.