We usually have to wait days to get the results from our nose-swab PCR tests, and meanwhile, we might be spreading the virus without even knowing it. What if instead we could all be tested twice a week and know the results in just minutes? CNN Chief Medical Correspondent Dr. Sanjay Gupta speaks with Harvard epidemiologist Dr. Michael Mina about the game-changing potential of affordable at-home rapid testing. To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices