麻苗普种后麻疹局部流行的调查分折(摘要)

• 作 者: 黄仲英
• 机 构: 杭州铁路防疫站防疫科检验科,
• 出 处: 铁道医学
• 发表日期: 1982年05期
• 关键词: 局部流 行状态 抗体测定 站距 圆形分布 漏种 抗体阳性率 几何平均滴度 流行病学调查 病者

某车站距杭州266公里,住宅集中,人口1621人。1979年12月下旬至1980年1月中旬发生麻疹31例,发病率达1910/10万,超过了管区内麻疹发病率平均水平(50/10万以下),呈局部流行状态。 31例中,未接种麻疹疫苗有23人,接种过麻疹疫苗8人。从接种后发生麻疹8人,发病时间多为接种麻苗后4～5天,可能接种前已感染麻疹,接种时正处于潜伏期,故难免发病;

A station 266 kilometers away from Hangzhou, residential concentration, population 1621 people. In late December 1979 to mid-January 1980, 31 cases of measles occurred, with a prevalence rate of 1910 / 100,000, exceeding the average incidence of measles in the district (below 50/10 million) and showing a local epidemic status. Of the 31 cases, 23 were unvaccinated and 8 were vaccinated against measles. From the inoculation after the occurrence of measles 8 people, the onset time mostly for 4 to 5 days after inoculation of Ma Miao may have been infected with measles before inoculation, vaccination is in the incubation period, it is inevitable;