Extended Data Fig. 3: Daily number of infections used for the R0 estimations of confirmed cases of Brazil and European countries (France, Italy, Spain, and United Kingdom).
From: Epidemiological and clinical characteristics of the COVID-19 epidemic in Brazil

The dashed vertical line indicates when the non-pharmaceutical intervention (NPI) was implemented. The dark blue dots were used to estimate R0. The shaded region is the model fit for those data points. The light blue dots included how the time series continued. They were included to show the effects of NPI.