Dr. Brooke Decker, left, of Marshall, Director, Infection Prevention, VA Pittsburgh Healthcare System, argues with Dana Gibson, right, of McCandless, about Ms. Gibson's opposition to a mask mandate for students before the North Allegheny School District school board regarding the district's mask policy, Wednesday, August 25, 2021, at at North Allegheny Senior High School in McCandless, Pa. (Photo by Alexandra Wimley/Pittsburgh Post-Gazette via AP Photo)
