Young women immunized against human papilloma virus were significantly less likely to have potentially cancerous cervical abnormalities compared to those who didn't receive the HPV vaccine, a study of more than 10,000 subjects has found. In a study published Monday in the Canadian Medical Association Journal, Alberta researchers found that young women who were immunized as girls against the sexually transmitted virus as part of a school-based inoculation program had a 50 per cent lower risk of having cervical-cell anomalies than their unvaccinated counterparts.

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