Fig 1. 2021 spring break weekly COVID-19 cases and positivity.
Weekly COVID-19-positive cases and test positivity rates pre- and post-spring break in 2021; a mandatory testing policy was in place. COVID-19 cases and positivity rates of all students, non-residential students, and residential students are shown in gray, navy blue, and royal blue, respectively. The red dotted line indicates the post-spring break students’ arrival to campus.