You are here Home Resources Handbook tables Handbook tables Table. Combination hepatitis A-hepatitis B vaccines Listen Print Share Twitter Facebook Email Vaccine Age of vaccine recipient (years) Dose (hepatitis B surface antigen protein) Number of doses Recommended schedule minimum intervals Twinrix (720/20) 1 to <16 20 μg 2 1st dose: day 0 (day of vaccination) 2nd dose: 6–12 months after 1st dose Do not use this schedule for people who need rapid protection against hepatitis B (such as people who have had close contact with a person with hepatitis B) Twinrix Junior (360/10) 1 to <16 10 μg 3 1st dose: day 0 (day of vaccination) 2nd dose: 4 weeks after 1st dose 3rd dose: 6 months after 1st dose Twinrix (720/20) ≥16 20 μg 3 1st dose: day 0 (day of vaccination) 2nd dose: 4 weeks after 1st dose 3rd dose: 6 months after 1st dose Page history Last updated 19 January 2026 Last reviewed 19 January 2026 Related diseases Hepatitis A Hepatitis B Is there anything wrong with this page? Help us improve the Australian Immunisation Handbook What you were doing? (required) What went wrong? (required) Leave this field blank