Fig. 2
From: Age patterns and transmission characteristics of hand, foot and mouth disease in China
Heatmaps of age-specific incidence of HFMD for 31 provinced in China from January 2008 to December 2011. a Heatmap of case percentage among 0–2 years old for 31 provinces. b Heatmap of case percentage among 3–5 years old for 31 provinces. c Case percentage among age groups of 0–2 years old (blue line), 3–5 years old (red line) and 6–19 years old (green line) of some selected provinces. Winter and summer vacations are shown in narrow bands. Winter and summer vacation times in China are: 1 month during January or February depending on Chinese lunar new year, and from early July to the end of August