Texas governor proposes mandatory vaccine
State lawmakers in 20 states are currently considering making the only cervical cancer vaccine, Gardasil, which protects against the human papillomavirus, mandatory for preteen girls.
According to gardasil.com the vaccine guards against HPV Types 16 and 18, which cause 70 percent of cervical cancer cases, and HPV Types 6 and 11, which cause 90 percent of genital warts cases.