99.8% of cervical cancers are caused by high-risk strains of human papilloma virus (HPV).
Without vaccination, around 50-79% of sexually active women have a lifetime risk of being infected with human papillomavirus (HPV) and almost 40% of women are infected with HPV within two years of first sexual activity. A paper by Public Health England showed that the prevalence of high-risk strains of HPV in sexually active women aged 16 - 18 had dropped from 15% in 2008, prior to vaccination, to 2% in 2018.
This is a companion discussion topic for the original article at https://patient.info/doctor/investigations/cervical-screening-cervical-smear-test-pro