A flu epidemic raged through Europe.

流感在整个欧洲肆虐。

《牛津词典》

A flu epidemic is sweeping through Moscow.

一场流感正在莫斯科迅速传播。

《柯林斯英汉双解大词典》

Staff shortages were worsened by the flu epidemic.

由于流感，职员短缺的情况更加严重了。

《牛津词典》

Scientists also completed similar research on victims of the Spanish flu epidemic in nineteen eighteen.

VOA: special.2010.06.29

Health officials had been preparing for a flu epidemic for years, but viruses do not follow a plan.

VOA: standard.2010.04.29

Growing fears of a flu epidemic across the Arab world is prompting Arab health ministers to restrict participation in this year's annual Hajj.

VOA: standard.2009.07.23

We exchanged letters every Christmas until he passed away in the flu epidemic of 1918.

NPR: Excerpt: 'True Grit'

The suggestion to clean your smartphone may potentially be an important consideration during this current flu epidemic.

FORBES: Can Your Smartphone Spread The Flu?

Global air travel is down 7.6% (the swine flu epidemic hasn't helped), and hotels in the U.S. and Europe are running well less than three-quarters full.

FORBES: Magazine Article