Extended Data Fig. 3: Antibody titers across age groups in participants with and without A(H3N2) virus infection since 2007.
From: Influenza virus infection history shapes antibody responses to influenza vaccination
GAMs were used to fit titres and titre increments by virus circulation year and participant age. Participants with (n = 72) and without (n = 28) recent A(H3N2) virus infection are compared. Titre rise against the oldest strains was limited among the youngest participants and increased with increasing participant age. Titres and titre rises across strains were greater among participants with prior infection irrespective of age, indicating that effects of recent infection were not strongly age dependent.
