The Sullivan County Regional Health Department Will Begin Vaccinating Phase 1c Today, Including Those With Underlying Medical Conditions. All Vaccines Are Now By Appointment Only. Johnson & Johnson Shots Will Be Given Today And Tomorrow At Bristol Motor Speedway. You Will Have To Enter Through The South Entrance Off Highway 11e. The Kingsport Civic Auditorium Site Will Be Closed This Week. Second Doses Of Pfizer Will Be Administered As Early As Thursday At Whitetop Creek Park.