Before revision:  We also consider doubling the number of casualties to date and, in this case, the death toll is almost 44000 individuals and about 5.1 million people being infected .
After revision:  We also consider doubling the number of casualties to date and, in this case, the death toll is almost 44000 individuals and about 5.1 million infected individuals. Other choices of parameters also provide a good fit of the data, indicating the uncertainty of the results, which may differ from reported values. The analysis allows us to study how isolation and social distancing measures affect the time evolution of the epidemic .