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The aim of this study was to detect and identify human papillomavirus (HPV) genotypes on a population of women infected by the human immunodeficiency virus (HIV) and to investigate the role of multiple infections on cervical dysplasia.

Two hundred and fifty-five HIV-infected women were enrolled on a study to evaluate the prevalence of HPV and cervical intra-epithelial neoplasia (CIN). A group of HIV-negative women with confirmed CIN diagnosis was included for comparison. A polymerase chain reaction (PCR)-reverse hybridization method was applied to detect and precisely identify HPV types, specifically multiple infections.

On HIV patients, an altered Pap smear confirmed by biopsy was observed on 45 (18%); HPV-DNA prevalence was 87% (223/255), with 45% (116/255) infected by more than two types. In contrast, HPV-DNA was detected in all 36 women of the control group but …