Some universities are reconsidering plans to hold in-person classes or implementing new testing regimes.
Oyeronke Popoola, a 17-year-old freshman living near two COVID-19 clusters, was taking a mix of online and in-person classes.
Holland said she wants other colleges to learn from the Chapel Hill students who participated in large, maskless gatherings.
The campus currently has 270 people in isolation due to contacts, symptoms or positive tests, including 51 students living on campus, Plowman said.
In Flagstaff, Arizona, Vice Mayor Adam Shimoni said he would like the University of Northern Arizona to cancel in-person classes for the semester.