The Oklahoma State Department of Health reported 434 cases of COVID-19 on Monday, which pushed the state's seven-day average of new infections to a high of nearly 466.
One month ago, the state's seven-day average of new cases was less than 92.
Oklahoma now has 16,362 confirmed cases of COVID-19. Tulsa County had 69 of the cases reported Monday, bringing its state-leading total to 4,104.
Four deaths that happened between Friday and Sunday were also reported on Monday, two of them Tulsa County men age 65 or older. COVID-19 has now killed 399 Oklahomans.
According to the state health department, 12,432 Oklahomans have recovered from COVID-19, leaving the state with 3,531 active cases. Tulsa County has more than 900 active cases.
A daily report on current hospitalizations and testing is due out late Monday.
Public health officials agree wearing cloth face coverings in public is the most effective way to slow the spread of the coronavirus.