Fig. 2

Mean hemagglutinin inhibition (HAI) geometric mean titers (GMT) and percent seropositive (% SP) (HAI titer ≥ 1:40) in the adjuvanted inactivated influenza (aIIV3) (n = 45) and high-dose inactivated influenza (HD-IIV3) (n = 47) groups for H1N1, H3N2 and B strains at Day 1 pre-vaccination and Day 29 and Day 181 post-vaccination