Fig 1. Weekly reported time series of HFMD cases between 1 January 2009 and 31 December 2013.

Weekly reported time series of number of HFMD cases (y-axis) across time (years 2009–2013, x-axis), aggregated across all 31 provinces of Mainland China, not adjusted for estimated reporting rate and stratified by serotype: EV-A71 (green), CV-A16 (red), or other non-EV-A71 and non-CV-A16 serotypes of enterovirus (blue).