Prevalence trend of human brucellosis in Qinghai Province from 2000 to 2012 / 中华地方病学杂志

ABSTRACT

Objective By summing up monitoring data of human brucellosis in Qinghai Province from 2000 to 2012, to evaluate epidemiological dynamics and analyze prevalence trend. Method Monitoring data of human brucellosis in Qinghai Province from 2000 to 2012 were collected, epidemiological characteristics including prevalence condition, area and population distribution were analyzed by descriptive epidemiology method. Results Totally 38 578 persons were examined from 2000 to 2012. The number of persons infected with brucellosis was 1 209, the infection rate was 3.34%;the number of patients diagnosed with human brucellosis was 344, the prevalence rate was 0.89%. New cases had occurred since 2006, and there were 158 new cases diagnosed with brucellosis. The prevalence rates in cities and areas of agriculture and pasture were 2.93%(78/2 663), 1.18%(33/2 806) and 0.70%(233/33 109), respectively. The ages of developing brucellosis ranged from 10 to 72 years old. The prevalence rates of biological pharmaceutical producers and the herdsman were [18.13%(196/1 081)] and [6.13%(353/5 763)], respectively. The prevalence rate of human brucellosis in Han nation was the highest [4.61%(467/10 140)], followed by Tibet [3.60%(443/12 318)], Mongolia [2.53%(211/8 342)], Tu [2.22%(110/4 953)] and Hui [2.09%(59/2 825)], and the differences were statistically significant (χ2 = 102.493, P < 0.01). Conclusion The prevalence state of human brucellosis in Qinghai Province is in a increasing trend, and new cases are increasing.