Amid the omicron surge, a new debate has emerged about whether or not throat swabs are more effective than nasal swabs for COVID testing. Dr. William Schaffner, MD, professor of infectious diseases, Vanderbilt Medical Center, sat down with Cheddar's News Wrap to weigh in on the dispute. "Should there be a change? You've got to do the studies, show that in the field [a throat swab] works as well or better than the nasal specimen," he said. "Let's not do it off our hips, as we say."