短语讲解：

1. But there shouldn’t be panic on this, this is not something where people are going to die from it.

die from 死于；因…而死
例句：How can he love someone that is going to die from cancer?
但是，他怎么可能爱一个即将死于癌症的人呢？

2. The global health organization also predicts that Zika could infect as many as 4 million people in the Americas this year.

as many as 多达；和…一样多
例句：You no longer see as many as you did at meetings or gatherings.
你在开会或者聚会的时候，不再看到像以前那么多朋友。