Behind the N95 Mask

Peter Tsai isn’t exactly a household name, but his invention is. In 1995 he patented the fabric used to make N95 masks, which are one of the most effective face coverings to prevent the spread of Covid-19. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks to Tsai about the role his creation has come to play in this global pandemic.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices