Figure 3From: Long-term booster schedules with AS03A-adjuvanted heterologous H5N1 vaccines induces rapid and broad immune responses in Asian adults Persistence of hemagglutination-inhibition antibody seroprotection from Month 6 to 48 in subjects who received AS03 A -H5N1 primary vaccine in the per-protocol immunogenicity cohort. CI, confidence interval; Seroprotection rates defined as the percentage of subjects with post-vaccination HI titers ≥1:40.Back to article page