Concordance Between Anal and Oral Human Papillomavirus Infections Among Young Men Who have Sex With Men

Abstract

Prevalence of human papillomavirus (HPV) infections was assessed among 1033 young men who have sex with men (MSM) aged 18–26 years. HPV (any type) was detected in 742 (71.8%) anal specimens and 101 (9.8%) oral specimens. Although HPV was detected in specimens from both anatomical sites in 83 (8.0%) participants, type-specific concordance for at least 1 HPV type was found in only 35 (3.4%) participants. HIV and smoking were associated with higher prevalence at both sites and frequency of concordant types. Coinfections of identical HPV types were rare, suggesting independent infection events and/or different modes of clearance.

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