and last updated 2021-04-07 18:37:49-04 JEFFERSON COUNTY, Colo. â Some bars will have to close and restaurants and gyms will be required to operate at 50% capacity once again effective Friday, due to an increase of COVID-19 cases and hospitalizations in Jefferson County. âUnfortunately we are slipping in the wrong direction,â said Dr. Dawn Comstock, executive director for Jefferson County Public Health (JCPH), in a news release sent to Denver7 Wednesday. The county reported 142.7 cases of COVID-19 per 100,000 residents for the period lasting from March 31-April 6, which exceeds the metrics for Level Blue (115 cases per 100,000 residents for five consecutive days) in the stateâs COVID-19 dial.