After a Year of Pandemic, Wearing Masks Outdoors Is Up for Debate

Charles Haas, PhD, LD Betz professor of Environmental Engineering in the College of Engineering; Michael LeVasseur, PhD, an assistant teaching professor in the Dornsife School of Public Health; and Eric Zillmer, PsyD, the Carl R. Pacifico professor of Neuropsychology in the College of Arts and Sciences and director of Athletics, were quoted in an April 22 Philadelphia Inquirer story about the debate over wearing masks outdoors.

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