During post-marketing surveillance with the three dose combined vaccine containing either 360 ELISA Units of formalin inactivated hepatitis A virus and 10 micrograms of recombinant hepatitis B surface antigen in a dose volume of 0.5 ml (recommended for subjects 1 year up to and including 15 years of age) or 720 ELISA Units of formalin inactivated hepatitis A virus and 20 micrograms of recombinant hepatitis B surface antigen in a dose volume of 1 ml (recommended from the age of 16 years onwards), the following adverse reactions have been reported.