20-45 years of age | Males
To evaluate the safety and effectiveness of the 9vHPV vaccine in the prevention of oral persistent infection caused by HPV subtypes.
To evaluate the safety and effectiveness of the 9vHPV vaccine in the prevention of oral persistent infection caused by HPV subtypes.
10 visits over ~ 42 months
$200 for completion of Visit 1, $100 for all other completed study visits