Before revision:  We investigate the effects on lockdown scenarios and exit strategies by introducing heterogeneities in the model. In particular, we consider Italian regions as separate administrative entities  in which social interactions through different age classes occur.
After revision:  We investigate the effects on lockdown scenarios and exit mechanisms by accounting for two fundamental sources of heterogeneity within the model: geography and demography. We consider Italian Regions as separate administrative entities in which social interactions through different age classes occur.