Countries are investing huge sums of money in vaccine technology and some, like the US and the UK, are spinning deals with private companies to secure doses. But defeating the pandemic will require vaccinating the entire planet and nationalism is at odds with the global cooperation needed to do so. Tom Bollyky, director of the Global Health Program at the Council of Foreign Relations, talks with Dr. Josh Sharfstein about the global nature of supply chains, why it's not in the economic interest of nations to be concerned only with their citizens, and the developing solutions and opportunities for collaboration to bring a working vaccine to the world.
