Fig. 6
From: Characterization of human papillomavirus type 16 pseudovirus containing histones
Antibody responses following three immunizations with 50 ng of PsVs per dose. Mice were immunized with PsVs (fraction I, II and III) without adjuvant. Neutralizing antibody titers against HPV16 PsVs in mouse sera were determined as described in Methods. Horizontal bars correspond to median values. PBS, n = 7; type I, n = 7; type II, n = 7; type III, n = 7