A change in the COVID-19 metrics moved Jefferson County back into a âYellowâ advisory on Wednesday after a few weeks in the âBlue.â âWe are moving in the wrong direction,â said Jefferson County, Jefferson County Health Department Administrator Tammy Monroe, who said the agency is continuing to emphasize wearing masks and social distancing, but currently will not enact further restrictions. On Wednesday, Jefferson County saw an increase of 33 new COVID-19 cases from the previous day with a seven-day positivity rating of 5.4% and a unique positivity rating of 18.6%. Jefferson County Sheriff Dave Thomas reported Tuesday that eight inmates in the Jefferson County Jail have tested positive for COVID-19 and locked the facility down to outside visitors.