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Incidence rates of vaccine HPV-type-related persistent infection (at least 6 months duration) in qHPV and 9vHPV vaccine trials.
aNCT00543543 (see Huh et al., 2017 [5]).
bNCT00365716 (see Villa et al., 2006 [22]).
cNCT00090285 (see Giuliano et al., 2011 [21]).
Abbreviations: 9vHPV = nine-valent human papillomavirus; CI = confidence interval; HPV = human papillomavirus; qHPV = quadrivalent human papillomavirus.
