因为所有这些患者都是出生时母婴垂直传播感染的。
Because all these patients are infected by the vertical transmission when they were born.
结论H BV可以通过母婴垂直传播在胎儿大脑组织中表达。
Conclusion There was the expression of HBV in the cerebral tissue of the dead fetus by maternal-fetal transmission.
目的了解丙型肝炎病毒（HCV）母婴垂直传播情况及HCV感染后对新生儿体格发育的影响。
Objective To investigate mother to child transmission ofhepatitis C virus (HCV) and the influence of HCV infection on the physical development of newborns.
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