A virus disease for which there is no known cure.

According to the police captain, these affected areas of the forest are suffering from a new virus disease.

That had been the name of that virus disease on the TV the other night.

Medical scientists are mounting what is probably the greatest concentrated effort ever made to find therapies for a single virus disease.

In particular, virus disease of peas has worldwide economic importance.

Their second child (John, born in 1939) caught a serious virus disease called polio.

It acts as a host for several mosaic virus diseases.

In Europe this virus disease is found since 1965-1975.

In some ways it's like a virus disease.

"It shows the gypsy moths were in good health last year, with no evidence of a virus disease that could kill them."