THE NEW CORONAVIRUS has spread rapidly across the world, reaching more than 150 countries in just over two months, infecting more than 250,000 people. From lockdowns in Italy and China and California to disruptions in international travel and trade to school closings across America, unprecedented public challenges are requiring public leaders to consider unprecedented measures. What should the public sector do to address this crisis? What can governments do to contain this pandemic and manage the severe disruption it is causing? And what are they doing wrong? We asked experts at Harvard Kennedy School to identify public problems and public solutions.