by Brenda Baletti, Ph.D., Childrens Health Defense:
The human papillomavirus (HPV) vaccine may increase the prevalence and distribution of some HPV virus strains not targeted by the vaccine — including some strains that are linked to cancer, according to a study published last week in Cell Host & Microbe. But STATNews misleadingly, according to experts, concluded the study showed the vaccine was effective at preventing cancer.