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对HBsAg(+)母亲所生婴幼儿,连续两年的动态观察,发现这些婴幼儿的感染绝大多数皆在出生3个月后,其感染频率与母亲HBsAg的滴度成正相关,表明母婴传播阻断应以HBsAg(+)母亲所生之子女为重点对象。
Dynamic observation of infants and young children born to HBsAg (+) mothers for two consecutive years found that most of these infants were infected three months after birth and the frequency of infection was positively correlated with the titers of HBsAg mothers Disruption should focus on children born to mothers with HBsAg (+).