Medscape published great article discussing the science behind social distancing and the NPI guidelines.   “Social distancing and other non-pharmaceutical interventions (NPIs) have proven to be effective tools in most pandemics. But their effect on the spread of the novel coronavirus is not yet clear, experts say. The goal of NPIs — which include personal actions, such as staying at home when sick and washing hands, and communal ones, including school closures and canceling mass gatherings — is to flatten the height of the infection curve and build herd immunity, thus buying time to increase hospital capacity and to come up with drugs or vaccines to treat the illness. State …