Fig. 4
From: Spatiotemporal evolution of COVID-19 in Portugal’s Mainland with self-organizing maps

14-days cumulative incidence curves for all the municipalities considering: 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. 5 and 6. Black thick curve represents the national 14-days cumulative incidence curve