Before revision:  Specifically, the intensity of COVID-related social media activity from different Italian  regions at the beginning of the epidemic (21-24/2/2020) , predicts well the total number of deaths reached almost a month later (7/4/2020) in each region.
After revision:  Specifically, the intensity of COVID-related social media activity from different Italian , Spanish and United States regions at the beginning of the epidemic (21-24/2/2020) , predicts well the total number of deaths reached almost a month later (7/4/2020) in each region.