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. 2022 Dec 23;111(7):6855–6872. doi: 10.1007/s11071-022-08179-8

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Fig. 4 — Left panels: cumulative number of deaths (green circles) attributed to COVID-19 for a Brazil, up to October 20, 2020, c Italy, up to August 10, 2020, and e USA, up to June 27, 2020. The solid curves are the best fits by the standard pathway model with one wave. Right panels: Daily number of deaths for the same countries as in the corresponding left panels, where the empirical data are indicated by green circles and the solid curve represents the time derivative of the respective theoretical curve in the left panels. The peaks of the daily curves are indicated by the black dots