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:
- MRC-5 human diploid cells
- formalin
- aluminum phosphate
- aluminum hydroxide
- amino acids
- sodium chloride
- phosphate buffer
- polysorbate 20
- neomycin sulfate
- yeast protein
Source: CDC