作者综合分析了日托米尔省玻列协区,从1953至1958年的麻疹患病率资料。该区为远离中心60公里的乡村,建筑很密,居发职业以农为主。与中心区有村道连结和交通往来,但春天和秋天因道路泥泞联系减少。这样相对的孤立的地位,造成麻疹在这个地区的流行病学特点。由于长时期的缺乏感染,形成大批的易感儿童;当出现第一个麻疹病例,就成了大规模爆发流行的先决条件。祖村,距中心区26公里,有2214人,16岁以下的儿童占42%。从1944年麻疹流行以后,13年来的期间內没有大规模的麻疹爆发。1957年6月25日登记第一例麻疹,至9月1日(学校开学以前)共发生40例(5月份1例,6月份10例,7月份12例,8月份26例),其中20例为7—14岁的在学儿童。在夏季这四个月的传播极其缓慢,从学校开学流行发生了变化。9月份第一周登 The authors provide a comprehensive analysis of the information on the prevalence of measles from 1953 to 1958 in the Bolivar district of Zhytomyr. The area is 60 kilometers away from the center of the village, the building is very dense, mainly occupy the agricultural-based occupations. There are village roads and traffic links with the central area, but the spring and autumn are reduced due to muddy roads. Such relatively isolated status has caused the epidemiological characteristics of measles in the area. Large numbers of susceptible children develop as a result of a prolonged lack of infection; the first measles case is a prerequisite for a massive outbreak. Ancestral village, 26 kilometers from the central area, there are 2214 people, children under the age of 16 accounted for 42%. Since the measles epidemic in 1944, there have been no large-scale measles outbreaks over a 13-year period. The first measles case was enrolled on 25 June 1957, and 40 cases (1 in May, 10 in June, 12 in July and 26 in August) occurred by September 1 (prior to the school’s start), of which 20 An example is a school-aged child aged 7-14. During the four months of summer, the spread was extremely slow, changing from the prelude to school. The first week of September Deng