Gardasil9 hpv if a type of hpv (eg-hpv 34,35,39,51,56,, 59,66,68) that is not protected by the vaccine enters the body during sexual intercourse after vaccination, does cervical cancer develop?

Cervical cancer can arise from known or unknown HPV strains not found in the vaccine. It has also been known to arise without known infection by HPV (very rare). Gardasil 9 is contains is focused on the most common cancer strains but is not a failsafe protection. The need for Pap smears and other routine health surveillance does not end with its use but may become less frequent.