Der var ingen statistisk forskel i procentandelen af de vaccinerede personer, der rapporterede om symptomer, der kan betegnes som alvorlige i løbet af 2 dosis programmet for Ambirix eller 3 dosis programmet af den kombinerede vaccine, som indeholder 360 ELISA enheder af formalin inaktiveret hepatitis A virus og 10 mikrogram rekombinant hepatitis B overfladeantigen.
The percentages of vaccinees reporting any solicited symptom graded as severe during a two-dose regimen of Ambirix or a three dose regimen with the combined vaccine containing 360 ELISA Units of formalin inactivated hepatitis A virus and 10 micrograms of recombinant hepatitis B surface antigen, were not statistically different.