There’s a race to see which — if any — anti-viral drugs might be effective against COVID-19. But while we’re focused on viruses, we can’t let our guard down against bacteria. Muhammad H. Zaman, Howard Hughes Medical Institute Professor of Biomedical Engineering and International Health at Boston University, joins host Krys Boyd to talk about antibiotic-resistant superbugs and why he’s worried we could face yet another public health threat. His book is called “Biography of Resistance: The Epic Battle Between People and Pathogens.”