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The changes in N(t) over time with constant E(k). (a–c) Fifty replicates of the changes in N(t) as a function of time when V(k) = 10E(k) where E(k) is 1.05, 1.1, or 1.5, respectively. Here k follows a power law distribution. Note that, when N(t) reaches 100, the epidemic would be certain.
