RESUMO
Objective Though analyzing the epidemiological trend of human Brucellosis in Qinghai Province in 2012, to provide a advice for Brucellosis prevention and control. Methods Brucellosis investigation was carried out on key populations aged 7-60 years who were keeping in touch with livestock in Ping’an County, Haiyan County, Tianjun County, Dari County, Jiuzhi County, Henan County, and three or four towns were selected as investigation sites in each county; then serological test was done with the methods of the rose bengal plate agglutination test(RBPT), standard tube agglutination test(SAT) and Coombs; diagnosis was based on “Diagnostic Criteria for Brucellosis”( WS 269-2007 ) . Results A total of 4 253 people in the 6 counties were investigated;the positive rate of RBPT was 2.92%(124/4 253); the positive rate of SAT was 0.85%(36/4 253), while the Coombs was 0.05%(2/4 253), totally infected people was 124, the infection rate was 2.92%(124/4 253); the number of patients was 71, the prevalence rate was 1.67%(71/4 253); and new cases were 68. Conclusions Prevalence of human Brucellosis in Qinghai Province is active in some local areas. We should strengthen health education of occupational population, improve people’s ability of prevention and control, and control prevalence of Human epidemic situation.