| In a new study, researchers show that special viruses are the culprits behind the emergence of virulent select new bacterial strains. |
| Some outbreaks had been reported in Yorkshire and so virulent was the disease that its arrival in Craven was seen as inevitable. |
| Balancing royalism with the region's often virulent strain of fundamentalism has never been easy. |
| Many of today's young, virulent anticapitalists experienced their social awakenings on campuses, in fields other than economics. |
| As a virulent strain of the measles spreads among the students, the town doctor puts Plumfield under quarantine. |
| More harmful to Wagner's reputation over the long term has been his virulent, lamebrained, and lifelong anti-Semitism. |
