To explore the effects of these antibodies on the immune responses induced by a new vaccination, we analyzed the correlations between baseline HAI titer and the following immune responses after vaccination with either ′05-TIV or ′05-LAIV: serological response, defined as the fold-change of HAI from day 0 (baseline) to day 30; and memory B-cell responses, defined as the percentage increase of influenza-specific IgG and IgA memory B cells from day 0 to day 30. The gene discussed is CD79A; the disease is influenza.