(Screening and treatment of cervical pre-cancer lesions for cervical cancer prevention: use of human papillomavirus (HPV) DNA genotyping) Recommendations for the general population of women. Regardless of follow-up capacity If a programme provides triage with additional tests, WHO suggests using visual inspection with acetic acid (VIA) or colposcopic impression (without histological confirmation) as the triage test rather than cytology or dual-stain cytology.