Most of the Earth's population has perished from a virulent airborne disease.

There existed only one explanation for her actions: Justin was a virulent disease.

He wants to focus our resources on fighting what he believes is a virulent disease.

But they say brain cancer merits attention as an especially virulent disease for which there often is no treatment.

Violent surface phenomena spread over the globe like a virulent disease.

AM was always believed to be a more virulent disease, and a 3% fatality rate was expected.

From what I've seen these last few days we're dealing with a virulent disease which could be capable of striking us all down.

Was there something more to that than just a virulent disease?

Blood serum as an extreme remedy for contagious or virulent disease.

On the one hand, we have our medical shield against virulent disease collapsing.