Figure 2.

Interval (months) between first and second dose of HPV vaccine among teens who began the HPV vaccination series before age 15 y (n = 5,625), National Immunization Survey-Teen, United States, 2013.

Interval (months) between first and second dose of HPV vaccine among teens who began the HPV vaccination series before age 15 y (n = 5,625), National Immunization Survey-Teen, United States, 2013.