The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu.

美国肺脏协会指出，判断婴儿和学龄前儿童何时会患流感可能尤其困难。

youdao

You have the flu.

你得的是流感。

youdao

Should I go to work if I have the flu but am feeling OK?

我是否应该去工作当我得了感冒，但感觉良好？

youdao

And,unlike seasonal flu, younger people have suffered many of the serious cases and deaths from the virus.

VOA: special.2009.11.24

What happens is suppose you have the flu and you get very nauseous and then at the same point you eat some sashimi for the first time.

假设你得了流感，感觉非常恶心,与此同时，你又第一次吃了生鱼片。

耶鲁公开课 - 心理学导论课程节选

I didn't have the flu at the time but I became violently ill.

我那会并没得流感，但却病的很重。

耶鲁公开课 - 心理学导论课程节选

The man stays home from work again the next day, claiming to have the flu.

NEWYORKER: The TV

The idea is that people can immediately find out whether they have the flu or have no illness at all.

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Here are five things you can do when you have the flu, and five that are probably a waste of time.

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