Before revision:  This phenomenological approach works extremely well to properly adjust the number of infected (and removed) individuals in time, for the countries we consider  .
After revision:  This phenomenological approach works extremely well to properly adjust the number of infected (and removed) individuals in time, for the countries we consider . Besides, it can handle the sub--epidemic events that some countries may experience. In this way, we obtain the evolution of the pandemic without using any a priori model based on differential equations .