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Seroconversion elicited by vaccination. Serum reactivity with synthetic long alpha helix (LAH) peptide (A), with group 1 HA proteins H1, H2, H5 and H9 (B) and with group 2 HA proteins H3 and H7 (C). (D) Lung virus titers of mice five (5 dpi) and seven (7 dpi) days post infection. * p < 0.05. Error bars represent standard error of the mean (SEM).
