With three of my family down with flu, I couldn' t help thinking that I would be the next to cop it.

我家有三人因染上流感而病倒了，我禁不住想我便是下一个生这病的人。

youdao

Always stay home if you have a fever or think you may be coming down with the flu.

如果你发烧了或认为自己可以得了流感那么就呆在家里。

youdao

He says he has worn it for two days and figures it must be working because he has not come down with the flu.

VOA: standard.2009.04.30

The U.S. may be coming down with the flu so the rest of the world is getting ready for - I don't know what - pneumonia?

NPR: Steep Drop in Global Stock Markets Monday

But the day the verdict was reached, Herbert noticed that he was having trouble reading the newspaper, and he felt like he might be coming down with the flu.

FORBES: Taking on a Monster

Rightly or wrongly, many seem to believe that officials have understated the number of people who have gone down with flu (which might be an alternative explanation for the seemingly high death rate).

ECONOMIST: The dangers of a reputation for dodgy statistics