Fig. 2
From: The complex transmission seasonality of hand, foot, and mouth disease and its driving factors
Transmission rates and potential influential factors for HFMD in Anhui, Henan and Chongqing. The MLE transmission rates of HFMD for a) Anhui, b) Henan and c) Chongqing. The band area of light blue corresponds to school vacations. R0 estimated for Anhui, Henan and Chongqing are consistent with other studies [1, 18, 27]. Blue lines in d), e) and f) are the averaged seasonality of highway passenger traffic from year 2010 to year 2013, and black lines are seasonality of highway passenger traffic for every year from year 2010 to year 2013. g) to r) time series of temperature, relative humidity, rainfall and sunshine hours in Anhui, Henan and Chongqing. Blue lines are the average of climatic factors from year 2008 to year 2011, and black lines are time series of climatic factors for every year from 2008 to 2011