Interchangeability of hepatitis A vaccines - Interchangeability of hepatitis A vaccines

Aimmugen is a lyophilized inactivated aluminum-free hepatitis A vaccine (0, 2-4 weeks and 6 months). Participants were twenty healthy Japanese travelers aged 20 years or older who had received two doses of Aimmugen. They received a booster dose of Havrix1440 intramuscularly as the third dose. The seroprotection rate was 85 % at pre-vaccination, and 100 % at post-vaccination of Havrix. The geometric mean antibody titers increased from 39.8 mIU/mL to 2938 mIU/mL.