由于过去报告的发病率低,发展中国家仍未将脊髓灰质炎作为重要的公共卫生间题。经过对麻痹症的仔细研究表明,脊灰炎是比以前所认识更为重要的公共卫生问题。 1974年Nich。las等报告了加纳的学龄儿童中脊灰炎引起的跋行症。他们证明,在未将脊灰炎当 Due to the low incidence reported in the past, polio is still not considered as an important public health problem in developing countries. Careful research on paralysis has shown that polio is a more public health problem than previously recognized. 1974 Nich. Las et al. reported on the post-polio-induced insomnia in school-age children in Ghana. They show that polio has not been used