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1988年1～6月,我区5个县麻疹流行,共发病1000余例。为了弄清流行原因,阐明计划免疫后麻疹流行特点及其规律,我们随机选取440例进行了流行病学分析,现将部分结果报告如下。年龄分布发病最小年龄为2月龄,最大为40岁。其中小于8个月的19例,占总例数的4.32％;15
From January to June 1988, five counties in our district were endemic with more than 1,000 measles cases. In order to clarify the causes of epidemics and elucidate the characteristics and patterns of measles epidemics after the planned immunization, we randomly selected 440 cases for epidemiological analysis. Some of the results are reported as follows. Age distribution The minimum age of onset is 2 months old, the maximum is 40 years old. Among them, 19 cases were less than 8 months, accounting for 4.32% of the total cases