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. 2016 Aug;13(121):20160288. doi: 10.1098/rsif.2016.0288

Figure 2.

Figure 2.

The factor by which estimators based on homogeneous mixing will overestimate (a) the basic reproduction number R0 and (b) the required control effort vc for the network case. Here, the epidemic growth rate α is measured in multiples of the mean infectious period 1/γ. The mean excess degree κ = 20. The infectious periods are assumed to follow a gamma distribution with mean 1 and standard deviation σ = 1.5, σ = 1, σ = 1/2 and σ = 0, as displayed from top to bottom. Note that the estimate of R0 based on homogeneous mixing is 1 + α. Furthermore, note that σ = 1 corresponds to the special case of an exponentially distributed infectious period, whereas if σ = 0 the duration of the infectious period is not random. (Online version in colour.)