The objective is to study the relationship between fetomaternal cellular traffic and hepatitis B virus (HBV) intrauterine infection.
目的是探讨母胎细胞转运与乙型肝炎病毒(HBV)宫内感染的关系。
HBV is a major infectious occupational hazard of health workers.
乙型肝炎病毒是影响卫生工作者的具有传染性的一大职业危害。
Most people in the region become infected with HBV during childhood.
该地区大多数人在儿童时期即已感染乙型肝炎病毒。
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