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麻疹疫苗接种年龄可影响1岁以内儿童的免疫应答,这与母体抗体的存在有关,年龄越小,抗体应答越差。Krugman 证实,婴儿出生后母体抗体逐渐降低,但1周岁内仍可检出,婴儿的母体抗体滴度降低与对疫苗的应答性的增高呈反比。最近报导的一项研
The age of measles vaccination affects the immune response in children up to 1 year of age, which is related to the presence of maternal antibodies. The younger, the worse the antibody response. Krugman confirmed that maternal antibodies decreased gradually after birth but were still detectable within 1 year of age and that maternal antibody titers in infants were inversely proportional to the increase in response to the vaccine. A recent study reported