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. 2013 Mar 7;207(12):1878–1887. doi: 10.1093/infdis/jit091

Figure 2.

Figure 2.

HI antibody GMTs by age and priming status in the per-protocol cohort for immunogenicity. Unprimed children received 2 doses of vaccine 28 days apart and primed children received one dose of vaccine; GMTs were assessed pre-vaccination (day 0) and 28 days after the final dose (primed day 28, unprimed day 56). Abbreviations: CI, confidence interval; GMT, geometric mean titer; HI, hemagglutination-inhibition; QIV, inactivated quadrivalent influenza vaccine; TIV-Vic, inactivated trivalent influenza vaccine Victoria lineage B strain; TIV-Yam, inactivated trivalent influenza vaccine Yamagata lineage B strain.