[1] https://www.nytimes.com/2021/12/13/well/live/hpv-vaccine-chi...
"that parental intent not to vaccinate their adolescents against HPV rose from 50.4 percent in 2012 to 64 percent in 2018. Many parents resisted the vaccine despite their doctors’ recommendations, Dr. Sonawane said. Ironically, parents were most resistant — at 68.1 percent — to vaccinating girls, the very group for whom this vaccine was initially developed to prevent cervical cancer."
https://www.cdc.gov/hpv/parents/vaccine-for-hpv.html
When in a doctors office with a cancer diagnosis, people will take it.