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A Minimal Model for Multiple Epidemics and Immunity Spreading

Figure 4

Data collapse of steady state behavior as function of , where is total number of hosts.

Each plot examines the behavior of one particular variable for system sizes (red crosses), , , and (thick magenta curve), rescaled appropriately. A) Total activity in units of system size, , demonstrating a transition to a near saturated regime for . B) Diversity rescaled with linear dimension of system, . One observes a transition at around to a near-saturated regime, a saturation that becomes more apparent for large system sizes. C) Average of total accumulated immunity per disease rescaled with system size, . For nearly all diseases will spread to all potential hosts. For the average spread of diseases decreases with .

doi: https://doi.org/10.1371/journal.pone.0013326.g004