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本文报告武钢1975～1989年麻疹流行情况如下。流行病学1.麻疹疫苗的广泛使用,改变了麻疹的流行特征。麻疹流行高峰被削平,发病率大幅度下降,最高发病率为206.83/10万,最低为0(表1) 2.发病季节高峰改变。计划免疫前即1975～1982年的麻疹发病以1～4月份为主,其中4月份为高峰; 3.发病年龄向大年组推移(表2),原因可能有:大年组人群未种麻疹疫苗;小年组儿童因无效接种而成为易感人群,部分儿童接种疫苗后5～6年麻疹抗体消失,成为易感者。
This article reports the prevalence of measles in WISCO from 1975 to 1989 as follows. Epidemiology 1. The widespread use of measles vaccines has changed the epidemiological characteristics of measles. The peak of measles epidemic was flattened, the incidence dropped significantly, the highest incidence rate of 206.83 / 100,000, the lowest is 0 (Table 1) 2. peak season of onset changes. Before the planned immunization, the incidence of measles in 1975 ~ 1982 was mainly in April and April, with the peak in April; 3. The age of onset of the disease shifted to the older group (Table 2). The reasons may include: Vaccines; children in the small group due to ineffective vaccination and become a susceptible population, some children vaccinated 5 to 6 years after the disappearance of measles antibody, a susceptible.