Before revision: Visualization techniques have proven to be useful tools to support decision making and to cope with increasing amount of data. In order to help analyzing the progressionof number of COVID-19 cases, we propose a new visual analytic tool .
After revision: Visualization techniques have proven to be useful tools to support decision making and to cope with increasing data, which is particularly important when monitoring natural or artificial phenomena. When monitoring disease progression, visual analytics approaches help decision-makers choose to understand or even prevent dissemination paths. In this paper, we propose a new visual analytic tool .