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Prevalence of type-specific and grouped type HPV infection in four male risk groups
HR-HPV includes HPV16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, and 68. Error bars show 95% CIs. HPV=human papillomavirus. 2v-HPV=HPV16 and 18. 4v-HPV=HPV6, 11, 16, and 18. 9v-HPV=HPV6, 11, 16, 18, 31, 33, 45, 52, and 58. HR-HPV=high-risk HPV. MSW=men who have sex with women. MSM=men who have sex with men.
