IE 11 is not supported. For an optimal experience visit our site on another browser.

Dr. Peter Hotez: Researchers have been planning for virus variants


Dr. Peter Hotez, dean of the National School of Tropical Medicine at Baylor College of Medicine, joins Lawrence O’Donnell to discuss the new South African variant of Covid-19. Dr. Hotez says because the durability of the current vaccines are still unknown, “everyone was pretty confident” an additional immunization would be needed, something researchers are already developing.