MaskUPenn: A year of mask-wearing in pictures
Following CDC guidelines and campus mandates, the Penn community put their best face coverings forward for a masked photo series.
MaskUPenn: A year of mask-wearing in pictures - University Life
Flags are lowered for New Jersey dead; Gov. Wolf, feds recommend
Penn Medicine updates masking guidelines due to rise in respiratory viruses - WHYY
Penn Medicine updates masking guidelines due to rise in
Pa. mask mandate must expire Dec. 4, judge rules in latest twist
People judged to be more attractive when wearing a mask, study finds
Face masks required at Penn Medicine, Jefferson, Temple Health as COVID surges
Penn gives professors discretion over mask policies in classrooms
April 2021 University of Pennsylvania
University of Pennsylvania's Master's of Biotechnology Program
CDC updates mask guidelines, recommends that some vaccinated people wear them indoors again - CBS News
Not wearing a mask during COVID-19 health emergency isn't a free