肝炎是一种专门感染肝脏的病毒，所以病毒通常都有细胞特异性。

Hepatitis is a virus that specifically affects the liver, so viruses are often specific to certain kinds of cells.

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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。

The objective is to study the relationship between fetomaternal cellular traffic and hepatitis B virus (HBV) intrauterine infection.

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这是情有可原的。 再往前两年，在得知自己幼时因注射被污染的凝血药物而感染丙型肝炎病毒后，她放弃了上大学的机会。

She had already abandoned her university studies two years earlier after discovering that she had been infected with hepatitis C as a baby, via a tainted blood-clotting agent.

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Hepatitis is a virus that specifically affects the liver, so viruses are often specific to certain kinds of cells.

肝炎病毒就可以特异性的感染肝细胞,因病毒通常都有细胞特异性

耶鲁公开课 - 生物医学工程探索课程节选