Author: Antonio Scala; Andrea Flori; Alessandro Spelta; Emanuele Brugnoli; Matteo Cinelli; Walter Quattrociocchi; Fabio Pammolli
Title: Between Geography and Demography: Key Interdependencies and Exit Mechanisms for Covid-19 Document date: 2020_4_14
ID: bf098qcr_9
Snippet: In our model, we rely on four compartments, namely: S, I, O, R. Hence, S(usceptible) individuals can become I(nfective) when meeting another infective individual, I(nfectives) either become O(bserved) -i.e. present symptoms 3 acute enough to be detected from the national health-care system -or are R(emoved) from the infection cycle by having recovered; also O(bserved) individuals are eventually R(emoved) from the infection cycle (see Fig. 1 for a.....
Document: In our model, we rely on four compartments, namely: S, I, O, R. Hence, S(usceptible) individuals can become I(nfective) when meeting another infective individual, I(nfectives) either become O(bserved) -i.e. present symptoms 3 acute enough to be detected from the national health-care system -or are R(emoved) from the infection cycle by having recovered; also O(bserved) individuals are eventually R(emoved) from the infection cycle (see Fig. 1 for a visual representation of the model workflow). Notice that, it is not still clear if there is an asymptomatic phase [14, 15] ; in our model, we are implicitly assuming that asymptomatics are infective and their recovery time is the same of the I class. Hence, our model is described by the following differential equations:
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