"We don't scare worth a cent," she snapped, with the virulence of a vixen.

It is then said that the virulence of the microbe is attenuated.

All her friends were beginning to hate her with virulence, so lucky had she been!

Even the virulence of the dreaded Tarantula's bite has been greatly exaggerated.

The epidemic had died out not because of lack of virulence but because of lack of victims.

He said, 'You can have no conception of what the virulence is against Peel and me.'

I have had Thousands written against me, with Virulence and Scandal.

The virulence of their mutual animosity may be estimated by the following story.

They soon named themselves by the virulence with which they attacked him.

Secondly, he showed that the virus might be attenuated in its virulence.