One dose (1.0 ml) contains Hepatitis A virus (inactivated)1,2 720 ELISA Units; Hepatitis B surface antigen3,4 20 micrograms.
1Produced on human diploid (MRC-5) cells.
2Adsorbed on aluminium hydroxide, hydrated 0.05 milligrams Al3+.
3Produced in yeast cells (Saccharomyces cerevisiae) by recombinant DNA technology.
4Adsorbed on aluminium phosphate 0.4 milligrams Al3+.
Twinrix is a white, slightly milky liquid presented in a glass prefilled syringe.
Excipients/Inactive Ingredients: Sodium chloride and water for injections. Amino acids for injection, formaldehyde, neomycin sulphate and polysorbate 20 are present as residual from the manufacturing process.