Figure 1: Scaling of the transmission parameters for the TSIR model between the province and county scale in Beijing municipality.
From: Hand, Foot, and Mouth Disease in China: Critical Community Size and Spatial Vaccination Strategies

(A) Guangdong Province (B) and Hubei Province (C). In each location the average transmission rate
was respectively scaled by a factor of 1.10, 2.42 and 0.05 for A, B and C after re-fitting. This figure was generated using the open source statistical software R (cran.r-project.org), version number 3.0.3, including packages maptools and foreign.