Twinrix components (Hep A & Hep B vaccine)

Twinrix [Hepatitis A & Hepatitis B (Recombinant) Vaccine] is a bivalent vaccine. It is formulated without preservatives. Twinrix components are: A 1-mL dose of vaccine contains: 720 ELISA Units of inactivated hepatitis A virus 20 mcg of recombinant HBsAg protein. One dose of vaccine contains aluminum in the form of: Aluminum phosphate (adjuvant) Aluminum hydroxide

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