菏泽细菌性痢疾时间分布特征探讨

Study of Bacteria Dysentery Epidemics Time Distribution in Heze District,1988-1998

目的 本文对菏泽地区 1988～ 1998年细菌性痢疾时间分布特征进行了探讨。方法 采用圆形分布法。结果 分析证实了其季节性高峰的存在 ,发病集中时点为 8月 12～ 13日。流行前期为 3月 2 5日至 6月 3日 ,流行高峰期为 6月 4日至 10月 2 1日 ,流行后期为 10月 2 2日至 12月 3 1日 ,1月 1日至 3月 2 4日为间歇期 ,整个流行期发病占总病例数的 92 15 % ,流行高峰期占 69 62 %。结论 本研究为预防和控制本病提供了科学依据。

Objective To study the time distribution of bacteria dysentery epidemic in Heze district from 1988 to 1998 Methods The circular distribution method was used.Results The existence of the period with high incidence seasonally was demonstrated by the study,with the peak appearing between the 12-13th of Angust.The early stage of the epidemic period is from March 25 to June 3,form Joun 4 to October 21 is the high incidence period,the late stage is from October 22 to December 31,the intermission period is from January 1 to March 24.The cases in the epidemic period account for 92 15% of total cases,and 69.62% in high incidence period.Conclusions The study provided the scientific evidence for us to prevent and control the disease.