Vaccine Ingredients
In addition to the live, attenuated or inactive virus, pathogen or toxoid, the Hep A/Hep B (Twinrix) vaccine contains the following ingredients:
- aluminum hydroxide
- aluminum phosphate
- amino acids
- formalin
- human diploid cell cultures (MRC-5)
- neomycin sulfate
- phosphate buffer
- polysorbate 20
- sodium chloride
- yeast protein
Source: CDC