Can the novel coronavirus be spread through the air? And if so, what can we do to make sure the air inside our homes and buildings is as clean as possible? Dr. Sanjay Gupta talks with Joseph Allen, Director of the Healthy Buildings program at the Harvard T.H. Chan School of Public Health, about the science behind airborne transmission.

To learn more about how CNN protects listener privacy, visit cnn.com/privacy

Learn more about your ad choices. Visit podcastchoices.com/adchoices