At the end of 2020, the vaccine rollout was chaotic: appointments were hard to schedule, vaccine supplies were tight, and the U.S. had administered fewer than 3 million doses over several weeks. But today, things have dramatically improved. CNN’s Chief Medical Correspondent Dr. Sanjay Gupta speaks with Claire Hannan, Executive Director of the Association of Immunization Managers, about how the U.S. turned its vaccine rollout around.To learn more about how CNN protects listener privacy, visit <a href="https://cnn.com/privacy">cnn.com/privacy</a> Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a>

An Immunologist Challenges the Status Quo

All over the world, there are people who are living extraordinary lives, full of happiness and health – and with hardly any heart disease, cancer or diabetes. Dr. Sanjay Gupta has been on a decades-long mission to understand how they do it, and how we can all learn from them. Scientists now believe we can even reverse the symptoms of Alzheimer’s dementia, and in fact grow sharper and more resilient as we age. Sanjay is a dad – of three teenage daughters, he is a doctor - who operates on the brain, and he is a reporter with more than two decades of experience - who travels the earth to uncover and bring you the secrets of the happiest and healthiest people on the planet – so that you too, can Chase Life.