Figure 1From: Twelve-month incidence and clearance of oral HPV infection in HIV-negative and HIV-infected men who have sex with men: the H2M cohort study Cumulative probability of oral HPV-16 and HPV-18 infection. The cumulative probability of oral HPV-16 and HPV-18 infection in HIV-infected MSM (red lines) and HIV-negative MSM (blue lines) (H2M study, Amsterdam 2010–2012). Abbreviations: MSM = men who have sex with men; H2M = HIV & HPV in MSM.Back to article page