Fig. 5From: Spatiotemporal evolution of COVID-19 in Portugal’s Mainland with self-organizing mapsU-Matrices obtained with the SOM applied to data corresponding to the: a 1st emergency state; b summer season; c sept-oct of 2020; d 2nd wave of COVID-19; e Holyday season. Each color represents a different municipality as shown in Figs. 4 and 6Back to article page