A 21 yo woman presents for a new patient appointment with her primary care provider. A dose of the HPV vaccine is administered during the visit. One year later she presents for her annual visit. She forgot about the additional HPV vaccine doses. How is it administered?
A) Two doses given 1 month apart
B) Two doses given 6 months apart
C) Three doses given over a 6-month period
D) Three doses given over a 12-month period