Figure 2

Age-specific prevalence of HPV infection in general female population in Zhejiang Province, southeast China. (A) Overall HPV, established high-risk (HR) HPV, probably HR-HPV and established low-risk (LR) HPV. Established HR-HPV types included HPV-16, -18, -31, -33, -35, -39, -45, -51, -52, -56, -58 and -59; probably HR-HPV types included HPV-26, -53, -66, -68, -73 and -82; established LR-HPV types included HPV-6, -11, -40, -42, -43, -44, -54, -61, -70, -72, -81 and -89 (equivalent to CP6108). (B) Alpha-3, -6, -7 and -9 species. Alpha-3 species included HPV-61, -62, -72, -81, -83, -84, -86, -87 and -89; alpha-6 species included HPV-30, -53, -56 and -66; alpha-7 species included HPV-18, -39, -45, -59, -68 -70 and -85; alpha-9 species included HPV-16, -31, -33, -35, -52, -58 and -67. The prevalence of an individual category included detection of this category in both single-type and multiple-type infection.