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Failure of R0 near the epidemic threshold in the classical SIS model

2023-09-18 epidemiology Title + abstract only
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The primary predictor of a disease outbreak and severity is the basic reproduction number R0, which represents the average number of secondary cases produced by introducing an infected individual into an entirely susceptible population. According to the classical SIS model, a disease with R0 less than one will eventually die out and persist if R0 is greater than one. Using the pair-approximation method, we reconstruct the classical SIS model by explicitly accounting for neighbourhood interaction...

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