Immunogenicity and Safety Following In-House Recombinant Hepatitis B Vaccine in Indonesian Population (Phase III)

Inclusion Criteria: 1. Healthy individual aged 10 - 50 years old, as determined by clinical judgment, including a medical history and physical exam which confirms the absence of a current or past disease state considered significant by the investigator. 2. Subjects/parents/guardian(s) have been informed properly regarding the study and signed the informed consent form/ informed assent form. 3. Subject/parents/guardian(s) will commit to comply with the instructions of the investigator and the schedule of the trial. Exclusion Criteria: 1. Subject concomitantly enrolled or scheduled to be enrolled in another trial. 2. Subjects with known history of Hepatitis B contained vaccination in the last 10 years. 3. Evolving severe illness and/or chronic disease and fever (axillary temperature \>= 37.5 C) within the 48 hours preceding enrollment. 4. Known history of allergy to any component of the vaccines (based on anamnesis). 5. HBsAg positive. 6. Known history of immunodeficiency disorder (HIV infection, leukemia, lymphoma, or malignancy). 7. History of uncontrolled coagulopathy or blood disorders contraindicating intramuscular injection. 8. Subject who has received in the previous 4 weeks a treatment likely to alter the immune response (intravenous immunoglobulins, blood-derived products or corticosteroid therapy and other immunosuppressant. 9. Pregnancy \& Lactation (Adult). 10. Subject already immunized with any vaccine within 4 weeks prior and expects to receive other vaccines within 4 weeks following immunization.