The Oklahoma State Department of Health reported on Thursday 712 new cases of COVID-19, bringing the state's total to 55,550.
Tulsa County had 117 of Thursday's new cases, and its total now stands at 12,831, second to Oklahoma County's 12,974.
The state's seven-day average of new cases, which shows the trend in infections, fell from 702 to 697. The seven-day average has been relatively flat since Aug. 21.
The seven-day average hit a peak of 1,093 on Aug. 1. When Oklahoma moved to phase three of Gov. Kevin Stitt's reopening plan on June 1, the average was 69 cases.