Antibiotics have been hailed as a "miracle drug" since the discovery of penicillin in 1928. But now, more bacteria are developing resistance to antibiotics, making them difficult or nearly impossible to treat. One recent study estimated that these so-called “superbugs” could cause nearly 40 million deaths worldwide between now and 2050. Dr. Sanjay Gupta speaks to researchers exploring the use of naturally occurring viruses that destroy bacteria, to see if they can be used as an alternative treatment method when all else fails, and before time runs out. This special report originally aired December 3rd, 2023. Learn more about your ad choices. Visit podcastchoices.com/adchoices