COVID-19 positivity rate on campus keeps steadily dropping

By Acacia Hernández

The COVID-19 positivity rate hit its lowest its ever been in a single day this past week with a low of .01% on Thursday, March 18, and .02% on Friday, March 19.

This positivity rate is calculated by taking the number of new cases on a given day divided by the number of total tests performed on that day. On March 20, from the 3,817 cases performed, only one new coronavirus case was detected, according to Shield Testing Data.

On a wider scale, Champaign (excluding UIUC saliva test data) saw a COVID-10 positivity rate of 4.5 % on March 17, 4.43 percentage points higher than campus on this day, according to the Champaign-Urbana Health District’s data dashboard.

This graph shows the constant decrease in COVID-19 positivity on campus since the semester started, with the highest positivity rate at .67% on Feb. 9, 2021. (Graph is courtesy to the University of Illinois at Urbana-Champaign).

The University of Illinois Urbana-Champaign continues to publish their data about on-campus COVID-19 saliva testing results on a daily basis to the public. This data can be accessed at