Moreover, that infant, his own grandson, had not died of any known disease.

He does not age and is seemingly immune to all known diseases.

There is no known disease in humans associated with Dependovirus.

It's that the doctor, even with subsequent tests, cannot find a known disease to explain it.

He has an immunity to most known diseases and radiation sickness.

We all get sick, but we do not live in fear of catching every known disease.

She's probably got every known disease, she said to herself.

I could find nothing to link these symptoms to any known disease.

Let me say at once, we are able to cure all known diseases.

He is also immune to any known terrestrial disease or infection.