Thirty-two Texas lawmakers on Thursday sent a letter to Gov. Rick Perry (R) reiterating their plea for him to rescind an executive order that would mandate vaccination against human papillomavirus for girls entering the sixth grade, the AP/Dallas Morning News reports (AP/Dallas Morning News, 2/9). Merck's HPV vaccine Gardasil and GlaxoSmithKline's HPV vaccine Cervarix in clinical trials have been shown to be 100% effective in preventing infection with HPV strains 16 and 18, which together cause about 70% of cervical cancer cases. FDA in July 2006 approved Gardasil for sale and marketing to girls and women ages nine to 26, and CDC's Advisory Committee on Immunization Practices later that month voted unanimously to recommend that girls ages 11 and 12 receive the vaccine. GSK in April plans...