Fig. 4From: Latitude-based approach for detecting aberrations of hand, foot, and mouth disease epidemicsHFMD epidemic monitoring indicators, Tokyo, 2011 (a) and 2013 (b) and HFMD epidemic monitoring indicators, Kyoto, 2011 (c) and 2013 (d). The epidemic trend of HFMD in the coming weeks were categorized as mild (orange), moderate (red) and strong (purple). The yellow represents an activation signalBack to article page