A Knox County assisted living facility is now dealing with a cluster of COVID-19 cases. Dr. Martha Buchanan with the Knox County Health Department, says three residents and one staff member at the facility tested positive for COVID-19. Dr. Buchanan says they are waiting for test results for three other staff members at the same facility. All other residents at the facility tested negative for the virus. Dr. Buchanan says the name of the facility will not be released at this time.