The whole family has the flu.

全家都患流感。

《牛津词典》

I'm glad that you're over the flu.

我很高兴你的流感好了。

《柯林斯英汉双解大词典》

She was confined to bed with the flu.

她因患流感卧病在床。

《牛津词典》

In the United States, cases of suspected influenza are at higher numbers than usual this early in the flu season.

VOA: special.2009.11.24

You've got the flu, you've got influenza in your upper respiratory tract, your cells are making more influenza.

你就此得了流感,你得了上呼吸道流感,你的细胞正在制造更多流感病毒

耶鲁公开课 - 生物医学工程探索课程节选

I think I'm catching the flu.

可能我感冒了。

I'd rather 实战 - SpeakingMax英语口语达人

Already reeling from the flu, I grew more nauseated as I sloshed in the wind-whipped waves.

BBC: Eyeball to eyeball with Canada��s migrating salmon

The video should inform and motivate people to take steps to prevent the flu.

WHITEHOUSE: Around Town

"I felt like I had the cold, the flu, something like that " she said.

CNN: A year later, 'heroic' E. coli survivor still battling