Dosage and Administration for GARDASIL 9 Recommended Dosing Patients 9 through 14 years Regimen Schedule 2-dose 0, 6 to 12 monthsa 3-dose 0, 2, 6 months Patients 15 through 45 years Regimen Schedule 3-dose 0, 2, 6 months aIf the second dose is administered earlier than 5 months after the first dose, administer a third … Continue reading New Dosage and Administration