Sentence examples for More virulent from inspiring English sources

Mutants can appear more virulent.

Will the virus itself evolve to become more virulent?

Formalin, usually a powerful disinfectant, only makes them more virulent.

But Sarkozy … " Monique, a doctor, is even more virulent.

But why have the bacteria become more virulent?

What diseases will emerge or become more virulent?

If these emerging strains are either more virulent than we thought, or become more virulent, the effectiveness of the vaccines might be reduced.

Stay tuned for important research to clarify if H1N1 has evolved to be more virulent ("deadly").

During World War I, a new and more virulent rendition of these acts became law.

"They share some common symptoms, but one is much more virulent".

The rise in such cases is not due to more virulent strains or resistant viruses.