Dr. William Schaffner, a professor of infectious diseases at Vanderbilt University School of Medicine, joins “CBS This Morning” to discuss the COVID-19 vaccine rollout and the new variant that has been found in the U.S. Source
Dr. William Schaffner, a professor of infectious diseases at Vanderbilt University School of Medicine, joins “CBS This Morning” to discuss the COVID-19 vaccine rollout and the new variant that has been found in the U.S. Source