As we enter the summer of 2021, some nations are seeing vaccination rates of around 50 percent, effectively ending the imminent threat of COVID-19; others are still facing public health emergencies. In this first podcast in a series on global vaccine distribution, Oxford's Professor Cécile Fabre discusses the ethical underpinnings of some of the policy choices designed to handle this inequity. What are the moral responsibilities of vaccine-rich countries to the rest of the world?