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1977年,作者对美国商业海运学院755名(16～29岁)学员和他们的父母进行调查,以了解学员对麻疹和风疹的易感率。并确定通过父母了解和通过学员本人调查既往接种史和感染史的正确程度。本文还探讨了下列三种不同的接种方法的费用效率:(1)不管其既往史如何,对青少年全面普种;(2)先做
In 1977, the authors conducted a survey of 755 students (aged 16-29) and their parents at the U.S. Business School of Shipping to understand the susceptibility of students to measles and rubella. And to determine through parents to understand and through the students themselves to investigate the history of prior vaccination and the correct extent of infection. The paper also explored the cost-effectiveness of three different vaccination methods: (1) universal coverage of adolescents irrespective of their past history; (2)