Figure 1
From: Age-specific genetic and antigenic variations of influenza A viruses in Hong Kong, 2013–2014

Weekly numbers of collected samples (blue) and those selected for sequencing (red), 2013–2014.
From: Age-specific genetic and antigenic variations of influenza A viruses in Hong Kong, 2013–2014

Weekly numbers of collected samples (blue) and those selected for sequencing (red), 2013–2014.