Papers › Covid-19 spread: Reproduction of data and prediction using a SIR model on Euclidean network
Covid-19 spread: Reproduction of data and prediction using a SIR model on Euclidean network
Kathakali Biswas, Abdul Khaleque, Parongama Sen
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We study the datafor the cumulative as well as daily number of cases in the Covid-19 outbreak in China. The cumulative data can be fit to an empirical form obtained from a Susceptible-Infected-Removed (SIR) model studied on an Euclidean network previously. Plotting the number of cases against the distance from the epicenter for both China and Italy, we find an approximate power law variation with an exponent ∼1.85 showing strongly that the spatial dependence plays a key role, a factor included in the model. We report here that the SIR model on the Eucledean network can reproduce with a high accuracy the data for China for given parameter values, and can also predict when the epidemic, at least locally, can be expected to be over.
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