Supplemental Digital Content 6
GMT for HI antibodies pre-vaccination and 7 days after first vaccination in the revaccination study in children 30−48 months of age (per-protocol cohort)
Dotted line represents the assay cut-off (10 1/dil). GMT values are shown above the bars.
CI: confidence interval; GMT: geometric mean titer; HI: hemagglutination inhibition;
Pre: pre-vaccination; Post: 7 days following vaccination
1 10 100 1000
Pre A/H1N1
Pre A/H3N2
Pre
B/Yamagata Pre
B/Victoria
Post Post Post Post
Geometric mean titer(95% CI)
Primed (same vaccine strain as 2011-2012 season) Primed (different vaccine strain to 2011-2012 season) Unprimed
65.1
553.1
13.8
161.6
35.9
237.8
14.4
222.9
20.9
81.4
18.6
65.6
11.5
68.2
7.1
36.5