En sammenlignelig sikkerhedsprofil er set for personer, der tidligere har haft eller har en HPV - infektion sammenlignet med personer, der var negative for onkogen HPV DNA eller seronegative for HPV- 16 og HPV- 18 antistof.
A similar safety profile has been observed in subjects with prior or current HPV infection as compared to subjects negative for oncogenic HPV DNA or seronegative for HPV-16 and HPV-18 antibodies.