Evaluating the 2-dose Immunization Schedule of Human Papillomavirus (HPV)-16/18 in Adolescent Females

Inclusion Criteria: Adult group: * 18-26 healthy female * enable to provide an legal identification * have the ability to understand and sign the Informed Consent Form * aren't pregnant and do not have pregnancy plan within the 7 months after the first injection * used effective contraceptive method from the last menstruation, and agreed to avoid sexual activity without effective contraceptive method within the 15 days after injection Adolescent group: * 9-14 healthy female * enable to provide an legal identification * guardians have the ability to understand the Informed Consent Form, and both participant and guardian agreed to sign the Form (in case of unable to sign, the participant can use fingerprint as signature) Exclusion Criteria: * History of HPV infection * Previous administration of any HPV vaccine * History of severe allergic reaction requiring medical intervention (such as oral and throat swelling, difficulty breathing, hypotension or shock) * History of allergic to vaccine, or to any ingredient of vaccine. * History of epilepsy, seizures or convulsions, or family history of mental illness * Subjects are immunocompromised or have been diagnosed as suffering from congenital or acquired immunodeficiency, HIV infection, lymphoma, leukemia, systemic lupus erythematosus (SLE), rheumatoid arthritis, juvenile rheumatoid arthritis inflammation (JRA), inflammatory bowel disease or other autoimmune diseases, administration of immunosuppressants with six months prior …