Pa. Imposes a Broader Mask Mandate as Officials Try To Stem a Surge in Virus Hospitalizations The Philadelphia Inquirer November 17, 2020 Thersa Sweet, PhD, an associate professor in the Dornsife School of Public Health, was quoted in Nov. 17 Philadelphia Inquirer article about Pennsylvania's broader mask mandate recently announced due to an increase in coronavirus case numbers. View Story Topical Tags: School of Public Health Share Related