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1990年4月22日至6月3日,盐城市郊区光明村发生一起麻疹局部暴发。经过现场调查、病例走访、疫情资料和免疫接种资料分析以及实验室血清学检查后确认:本次暴发共发生病人41例,发病率为16.59‰,病例主要集中在光明小学,计35人,占85.4%,余为散童。其中幼儿班17例,1～5年级18例,发病时间高峰在5月份,占82.9%,发病年龄最小2岁,最大15岁,以5、6和12岁为高,共占60.9%,7岁以下儿
From April 22 to June 3, 1990, a local outbreak of measles occurred in Guangming Village, a suburb of Yancheng City. After field investigation, case visit, epidemic situation data and immunization data analysis and laboratory serological examination, it was confirmed that there were 41 cases of this outbreak with the incidence of 16.59 ‰. The cases mainly concentrated in Guangming Primary School, accounting for 35 people 85.4%, Yu is a child boy. Among them, 17 cases of preschool children, 18 cases of grade 1 to grade 5, peak onset time in May, accounting for 82.9%, the youngest age of 2 years old, maximum 15 years old, 5,6 and 12 years old, a total of 60.9%, 7 Under the age of