Fig. 2From: HPV vaccination uptake and administration from 2006 to 2016 in a commercially insured population of the United StatesDistribution of Initial HPV Vaccine Dose Providers According to Patient Age and Sex Between 2006 and 2016 Among 9- to 26-Year-Olds of the United States: a. Females and b. Males. Subjects’ year of age was determined by year of birth (e.g. the 9-year-olds are those who turned 9 the year they received their first HPV vaccine)Back to article page