Galveston County Daily News, July 14, 2008 The University of Texas Medical Branch student readers theater will present two performances of "A Plague of Angels" at 6:30 p.m. Tuesday and Wednesday. The first performance will be at the Rosenberg Library; the second will be at UTMB Levin Hall North. The productions are free and open to the public. The play illuminates the struggle of Mary Mallon, also known as "Typhoid Mary," to escape quarantine by the New York Health Department.