You are here Home Resources Handbook tables Handbook tables Table. Accelerated hepatitis B vaccination schedules for people with imminent risk of exposure Listen Print Share Twitter Facebook Email Vaccine Age of vaccine recipient (years) Dose (hepatitis B surface antigen protein) Number of doses Recommended schedule minimum interval Engerix-B (paediatric formulation) <20 10 μg 4 1st dose: day 0 (day of vaccination) 2nd dose: 4 weeks after 1st dose 3rd dose: 8 weeks after 1st dose 4th dose: 12 months after 1st dose Engerix-B (adult formulation) ≥20 20 μg 4 1st dose: day 0 (day of vaccination) 2nd dose: 4 weeks after 1st dose 3rd dose: 8 weeks after 1st dose 4th dose: 12 months after 1st dose or 1st dose: day 0 (day of vaccination) 2nd dose: 7 days after 1st dose 3rd dose: 3 weeks after 1st dose 4th dose: 12 months after 1st dose Twinrix (720/20) ≥16 20 μg 4 1st dose: day 0 (day of vaccination) 2nd dose: 7 days after 1st dose 3rd dose: 3 weeks after 1st dose 4th dose: 12 months after 1st dose Related diseases Hepatitis B Page history Last updated 19 January 2026 Last reviewed 19 January 2026 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