The data below is compiled from reports by the Princeton Health Department and the University.
Total positive cases on campus by week
This chart shows the total number of positive cases on campus since the beginning of the fall 2020 term. It includes positive cases for undergraduate students; graduate students; and faculty, staff, and others.
Weekly University data
New positive cases compared to total cases at the University
Positive cases at the University include both asymptomatic and symptomatic testing results.
Note: The first day of a seven-day tracking period changed to Saturday from Monday beginning with the week of Sept. 5, 2020.
University positivity test rates
This chart displays Princeton University positivity test rates by week. The University has yet to see a positivity test rate greater than one percent. Positivity test rates are calculated by dividing the weekly total positive tests by the weekly total tests.
Active positive cases in the town of Princeton
The Princeton Health Department defines active positive cases to be “laboratory confirmed cases and probable cases that have not been cleared from isolation/quarantine requirements. These are individuals under active monitoring by the local Princeton health department to prevent further disease transmission.” After reaching a peak in May, cases in Princeton dropped as the summer progressed, and began to rise again in September.
Positive tests in the town of Princeton
Positive tests are the number of individuals who received positive COVID-19 laboratory test results since the beginning of the pandemic.