The virus causes nearly all instances of cervical cancer, which begin as precancerous cervical abnormalities. Two vaccines currently available to young women prevent contamination by HPV 16 and HPV 18, the HPV strains in charge of about 70 % cervical cancers. Screening programs for cervical malignancy are recognized to work well, with around 90 % of sexually energetic women obtaining screened through Pap tests, said senior author Cathrine Hoyo, Ph.D., M.P.H., associate professor of gynecology and obstetrics at Duke University School of Medicine.. The advisers also stated that both candidates support legislation to permit FDA to approve generic versions of biotechnology medicines. Both candidates also support the shortest possible period of market exclusivity for brand-name biotechnology companies under such legislation, the advisers stated. Hughes said that 14 years , as requested by the biotech industry, is long excessively, adding that we’re tilted toward the shorter period. Holtz-Eakin said, The essential instinct should be: push the time down to the shortest period that maintains the appropriate advancement incentives .