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1991年纽约市发生了近10年中最大的一次麻疹暴发流行,报告病例超过3 000例,其中15％为20岁以上的成人。流行前对2 781名健康成人血清检查时发现7.6％麻疹抗体阴性,显示出成人对麻疹的易感性。本文6例(4例男性,2例女性)是当年2～4月在纽约市医院住院确诊的成人麻疹肺炎患者,除1例70岁外,余均为25～36岁的青壮年。其中4例幼时曾患过麻疹;3例未接种过麻疹疫苗;发病前均无明确麻疹接触史;2例
In 1991, the largest outbreak of measles in nearly 10 years occurred in New York City, reporting more than 3,000 cases, of which 15% were adults over 20 years of age. Before the epidemic of 2 781 healthy adults serological examination found that 7.6% measles antibody negative, showing adult susceptibility to measles. 6 cases (4 males and 2 females) were adults with measles pneumonia diagnosed in New York City Hospital from February to April in that year. Except 1 case of 70 years old, the remaining 25 to 36 years old were young adults. Four of them had had measles at an early age, three had not been vaccinated against measles, and none had a clear history of measles exposure before onset, and two