Last week my mother came down with the flu.

She is down with influenza.

He is ill with influenza.

He's in bed with the flu.

He is at the doctor for influenza.

I had the flu last month.

I was in bed with the flu.

There's a lot of flu going around now.

I was laid up at home with the flu for a week.

Jim has been laid up with flu for three days.

This medicine is no protection against influenza.

I think you've got the flu.

High fever is a frequent accompaniment of influenza.

I had a flu shot.

There were many cases of influenza.

I caught the flu.

I have the flu and I'm tired.

I've caught the flu.

The flu struck the metropolitan area.

You were flat on your back for two weeks with influenza.