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在英国,预防婴幼儿白喉、破伤风和脊髓灰质炎的免疫程序规定在1岁半内完成.自改用简化的免疫程序后,能在8月龄前完成.为确定血清中的抗体持久性能否维持到入学前,作者从4～5岁入学前儿童中,选择95人作血清免疫学抗体测定.所有儿童除均口服Ⅰ、Ⅱ和Ⅲ型脊髓灰质炎病毒(OPV)疫苗外,有44人接受DT,48人接受DTP,余下3人则交替接种DT和DTP,其中58人
In the United Kingdom, the immunization schedule for the prevention of diphtheria, tetanus and poliomyelitis in infants and young children is scheduled to be completed within 1 and a half years of age and can be completed before the age of eight months from the time of the switch to the simplified immunization schedule. To determine the long-lasting antibody performance in serum Before the enrollment, the authors selected 95 individuals from pre-school age of 4 to 5 years for serological immunological antibody testing, and all children except for oral administration of type I, II and III poliovirus (OPV) vaccines had 44 48 for DTP and the remaining 3 for DT and DTP, 58 of them