hepatitis a vaccine + hepatitis b vaccine · Medicine question

Which hepatitis antigens and quantities are present in each 1 ml dose of Twinrix Adult?

Name: Which hepatitis antigens and quantities are present in each 1 ml dose of Twinrix Adult?
Published: 2026-11-08T13:46:59.499Z

iatroX medicinesPublished 8 November 2026

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Answer

Each 1 ml dose of Twinrix Adult contains 720 ELISA Units of inactivated hepatitis A virus and 20 micrograms of hepatitis B surface antigen produced in yeast cells by recombinant DNA technology.

Sources for this answer

Twinrix Adult Vaccine, suspension for injection in pre-filled syringeGlaxoSmithKline UK · emc · SmPC §2 Qualitative and quantitative composition · Version 23Document updated 31 March 2025

Sources checked 8 November 2026

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