Clinical Trial of Recombinant Human Papillomavirus Virus 16/18 Bivalent Vaccine

Inclusion Criteria: * Written informed consent from the subject prior to enrolment; * Female between, and including, 18 and 55 years of age at the time of enrolment; * Subjects must be free of obvious health problems; * Not pregnant and having no plan for pregnancy; Exclusion Criteria: * Pregnant or breastfeeding or having plan for pregnancy during the whole study (Month 0-7); * Previous vaccination against HPV; * Having severe allergic history or other immunodeficiency; * Chemotherapy and other immunosuppressive agents using;