Nearly all the patients were infected in 1993 or 1994.

A large majority of those infected in China still do not know it.

Studies have observed up to 40% of a field being infected in less than three days.

Three of my clients have been infected in the past two weeks.

All but 4 of the 188 victims were infected in the hospital or by a family member at home.

About 40,000 Americans have been infected annually in recent years.

More than one machine can be infected in each incident.

"On the other hand, if we wait the three years it would take to answer that question, how many will be infected in the meantime?"

It is as though she'd never been infected in the first place.

It is actually a miracle that more people have not been infected in Europe.