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Published on 22 de junio de 2026 | http://doi.org/10.5867/medwave.2026.05.3191

Mechanistic analysis of COVID-19 cases in Chile during the second half of 2020: an SIR model with dynamic transmission rate

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Summary of parameters.
Parameters
β0 β* γ μmax Iμ/2 νmax Iν/2 RMSE
Scenario 1 0.2000 0.257 1/7 2.73 10 7.32 10049 553
Scenario 2 0.3700 0.810 0.426 4.62 10 19.50 1467 575
Scenario 3 0.0714 0.108 1/14 1.06 × 10 −4 10 1 × 10 −3 1 000 000 272
Scenario 4 0.2000 0.257 1/7 - 10 7.32 10049 837807

Abbreviations: RMSE, root mean square error.

Source: Prepared by the authors based on the study results.