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Two viruses competition in the SIR model of epidemic spread: application to COVID-19

Trigger, S. A.; Ignatov, A. M.

2022-01-11 epidemiology
10.1101/2022.01.11.22269046 medRxiv
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The SIR model of the epidemic spread is used for consideration the problem of the competition of two viruses having different contagiousness. It is shown how the more contagious strain replaces over time the less contagious one. In particular the results can be applied to the current situation when the omicron strain appeared in population affected by the delta strain. PACS number(s)02.50.-r, 05.60.-k, 82.39.-k, 87.19.Xx

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