Categories COVID-19 What COVID-19 Prison Outbreaks Could Teach Us About Herd Immunity Post date June 1, 2020 Prisons turn out to be a key place to study how coronavirus spreads and how immunity to it works. What COVID-19 Prison Outbreaks Could Teach Us About Herd Immunity ← Trump’s domestic policy chief says W.H. ‘working through’ proposals to unify country → East End distillery helps community fight COVID-19