Research Paper Volume 7, Issue 12 pp 1077—1085
A shortened interval between vaccinations with the trivalent inactivated influenza vaccine increases responsiveness in the aged
Figure 1. Graphs show VNA titers before and after vaccination in cohorts 1 and 2. Lines with stars above indicate significant differences. H1N1 cohort 1, d0-14: p=0.032; d14 cohort 1 to 2: p=0.011; H3N2 cohort 1 d0 to 14: =0.008.