Figure 1

Isolate numbers of influenza A(H1N1)pdm09 virus and percentage of influenza A(H1N1)pdm09 virus among all influenza viruses during 2009/2010 to 2015/2016 seasons. Data for weeks 19–37 were not available.

Isolate numbers of influenza A(H1N1)pdm09 virus and percentage of influenza A(H1N1)pdm09 virus among all influenza viruses during 2009/2010 to 2015/2016 seasons. Data for weeks 19–37 were not available.