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Figure 2 | BMC Infectious Diseases

Figure 2

From: Flexibility of interval between vaccinations with AS03A-adjuvanted influenza A (H1N1) 2009 vaccine in adults aged 18–60 and >60 years: a randomized trial

Figure 2

Geometric mean titres (with 95% confidence intervals) for haemagglutination inhibition antibodies against A/California/7/2009 in adults aged 18 to 60 years and in adults >60 years (per-protocol immunogenicity cohorts). Group A = Vaccination on Day 0 and Day 21; Group B = Vaccination on Day 0 and Day 182.

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