Of the six counties with the highest percentage of its population partially vaccinated, Northeast Tennessee had three as of Tuesday – Hancock (5.92%), Unicoi (5.05%) and Washington (4.41%) counties. Hancock County’s rate is tied with that of Carroll County for the highest rate in the state, while Unicoi County’s rate is third. Overall, the region’s eight counties have combined to administer 17,993 vaccinations, about 10.6% of the state’s total.