Before revision: In this work we report that the public reacted on social media at an early stage of the SARS-CoV-2 pandemic, the virus responsible of COVID-19 , in a surprisingly accurate way.
After revision: During the unfolding of a crisis, it is crucial to determine its severity, yet access to reliable data is challenging. We investigate the relation between geolocated Tweet Intensity of initial COVID-19 , in a surprisingly accurate way.