Abstract
Objective To understand the epidemic features of bacillary dysentery in Yongcheng district,from 2008 to 2012,in order to provide scientific basis for formulating control and prevention measures. Methods The bacillary dysentery cases that reported by health institutions in Yongcheng dis-trict through the national disease surveillance system,from 2008 to 2012,were analyzed descriptively. Results Bacillary dysentery incidence ascended with years from 2008 to 2012,the average of dysentery incidence rate was 17. 29 / 100,000. No death case was reported. The ratio of male to female was 1. 36：1. The age of onset in children under the age of five,which accounted for 31. 9% of all cases. The cases of the top three are farmers,students,young dragging children,or report the number 56. 94% , 30. 41% ,7. 93% ,respectively. Bacillary dysentery incidence in 6 - 9 months had a peak,constituted by 52. 98% . Bacterial serotyping showed that 47 of 75 strains were Shiella sonnei（62. 67% ）. Conclu-sions Incidence of bacillary dysentery were ascended,then effective prevention and control measures should be formulated according to incidence spectrum. Key words: Bacillary dysentery; Epidemic features; Analysis
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