Fig. 2From: High prevalent human papillomavirus infections of the oral cavity of asymptomatic HIV-positive menRepresentative HPV-16 variant sequences along the Long Control Region (LCR) and E6 gene. Summary of variant sequences identified in the anal canal (a) and the oral cavity (b) of HIV+ MSM. European prototype (EP), Asian-American (AA) and African (Af1) variants were identified and classified as previously described (Yamada et al., 1996)Back to article page