Calabuig, J. M.; García-Raffi, L. M.; García-Valiente, A.; Sánchez Pérez, Enrique Alfonso(Frontiers Media S.A., 2021-10-25)
[EN] Countries are recording health information on the global spread of COVID-19 using different methods, sometimes changing the rules after a few days. All of them are publishing the number of new individuals infected, ...