英语语法分析

Most recently, or more recently, there was a vaccine for varicella, which was developed in the last ten years.

近期，或者更近一些，水痘疫苗出现了，它是在过去10年里研发出来的。

Effective prevention of infection after injection, the effect of varicella over 98%.

注射后有效预防感染水痘的效果达98%。

Antiviral therapy is reserved for cases of varicella-zoster and herpes simplex infection.

对于水痘-带状疱疹及单纯疱疹病毒感染的病人可使用抗病毒疗法。