Analysis of the Epidemioiogical Characteristics of Bacillary Dysentery in Jinhua from 1993 to 2007 / 预防医学

ABSTRACT

Objective To analyze the epidemiological characteristics of bacillary dysentery in Jinhua from 1993 to 2007, then to provide scientific evidence for making strategies and measures of disease control. Methods Method of descriptive epidemiology was used to analyze cases of bacillary dysentery. Results The reported number of cases of bacillary dysentery was 42963, with an average annual incidence of 62.26 per 100 thousands, accounting for 18.08% of the number of category A and B infectious diseases reported on the contemporaneous, showing a downward trend year by year. The top three areas with the highest average annual incidence were Wucheng District, Dongyang City and Wuyi County with the incidence of 100.97 per 100 thousands, 93.75 per 100 thousands and 75.28 per 100 thousands, respectively. The incidence of bacillary dysentery was higher from July to October than that in others. Majority patients were boys who were under 10 years old and students. It was reported that the outbreak occurred 14 cases, mainly in primary and secondary schools (57.14%). Conclusion The incidence of bacillary dysentery was decreasing year by year in Jinhua, but school outbreak occurred from time to time. The children under 10 years old and students are the high risk population.