Vinegar (acetic acid) solution test. A vinegar solution applied to HPV-infected genital areas turns them white. This may help in identifying difficult-to-see flat lesions. Pap test. Your doctor collects a sample of cells from your cervix or vagina to send for laboratory analysis.
https://www.mayoclinic.org/diseases-conditions/hpv-infection/diagnosis-treatment/drc-20351602

