“…[12][13][14][15][16] Although most young women are generally aware of HPV disease and the availability of the vaccine, their knowledge about virus transmission, screening recommendations and practices, and treatment is less reliable. 6,11,[17][18][19][20][21] Knowledge about and attitudes toward HPV vaccine vary by race and ethnicity, education, and socioeconomic status (SES), 6,10,17,[22][23][24][25][26][27][28] with lower rates of knowledge among the less educated and among nonwhites. 21,22,24,26 Commonly reported barriers to receiving HPV4 include cost and concerns about vaccine safety.…”