Pitt expert on disease spread says he ll personally continue wearing a mask in public
Dr. Mark Roberts is the director of the University of Pittsburgh s Public Health Dynamics Laboratory and is professor and chair of Health Policy and Management at Pitt s Graduate School of Public Health. Share Updated: 7:03 PM EDT May 14, 2021
Pitt expert on disease spread says he ll personally continue wearing a mask in public
Dr. Mark Roberts is the director of the University of Pittsburgh s Public Health Dynamics Laboratory and is professor and chair of Health Policy and Management at Pitt s Graduate School of Public Health. Share Updated: 7:03 PM EDT May 14, 2021