Fig. 4
From: Age-specific differences in the dynamics of protective immunity to influenza
Features of the data. a Community intensity of H3N2 and H1N1pdm09 (ILI × % influenza-positive) over the study. b Distribution of household sizes in the study cohort. c Number of titer samples for H3N2 and H1N1pdm09 in children and adults over the study. d Number of PCR-confirmed infections with H3N2 and H1N1pdm09 in children and adults over the study. The raw data are provided as a Data Source file
