论文部分内容阅读
试用集中度指标，对清远市1972－1996年发生的计划免疫相应传染病发病资料进行了季节性分布对比分析。结果在实施计划免疫前的1972～1986年，乙脑、白喉的集中度均大于85，有较强的季节性，脊髓灰质炎、百日咳、麻疹的集中度均在35以下，发病有一定的季节性，但不很明显；在计划免疫实施后的1987～1996年，白喉集中度降至25．88，已无季节性特点，其余几种相应传染病季节性分布未见改变。
The trial focused on the index, the incidence of infectious diseases corresponding to the planned immunization occurred in Qingyuan from 1972 to 1996 were analyzed by seasonal distribution. Results Before 1972-1966, the concentration of JE and diphtheria was more than 85, with a strong seasonal distribution. The concentrations of poliomyelitis, pertussis and measles were all less than 35, with a certain season of onset Sex, but not obvious. In the period from 1987 to 1996 after the implementation of the immunization program, the diphtheria concentration was reduced to 25.88, no seasonal characteristics were found, and the seasonal distributions of the other corresponding infectious diseases were unchanged.