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为了解本辖区人群中的麻疹发病情况及其动态变化,现将1990—1994年的麻疹发病情况分析如下: 1 发病率呈下降趋势近年来,由于实施计划免疫后,麻疹疫苗接种率不断提高,其发病率总的呈下降趋势。
In order to understand the incidence and dynamic changes of measles in the population of this area, the incidence of measles in 1990-1994 is analyzed as follows: 1 The incidence shows a downward trend In recent years, due to the continuous improvement of measles vaccination rate after the implementation of planned immunization, The incidence of the overall downward trend.