Figure 2: Critical Community size of EV-A71.
From: Hand, Foot, and Mouth Disease in China: Critical Community Size and Spatial Vaccination Strategies
Population per county as a function of the proportion of zeros in weekly incidence for observed and predicted time series. The intersection of the fitted function with the y-axis indicated the estimate of the critical community size for EV-A71. N is the number of counties with at least one epidemic fadeout.
