Also, although the flu infects younger people, the ones most likely to need hospitalization or die if they do get infected are the very young, pregnant women, the sick and the aged.

同时，虽说年轻人是流感的易感人群，但一旦感染，最可能需要住院治疗或有生命危险的，主要还是幼儿、孕妇、病人和老人。

youdao

As with seasonal flu, some people will get very sick and some of them will die.

有的季节性流感患者病症特别严重，甚至有的会死亡。

youdao

This could be very important exercise, Berk avers , for elderly and sick people who can't get out and run two miles.

这可能是非常重要的运动，伯克断言，老人和生病的人谁都不能出门和运行两英里。

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