CanWest News Service Wednesday, January 31, 2007 Every nine- to 13-year-old girl in the country should be vaccinated against the sexually transmitted virus that causes cervical cancer, a national expert panel is recommending. The National Advisory Committee on Immunization says girls and women aged 14 to 26 should also be vaccinated against human papillomavirus (HPV) even if they are already sexually active because they may not yet have been infected. Even if they are infected, they’re still unlikely to have…