The Sullivan County Regional Health Department has announced plans to begin administering second doses of the COVID-19 vaccine.According to a release from the health department, the limited number of vaccines allotted means second doses will only be given to people who received their first doses at Bristol Dragway, Kingsport Civic Auditorium or the Blountville Health Department.Second doses of the vaccine should be taken on the scheduled date given to people who received their first dose.The release says the second doses of the Moderna will be given at the Kingsport Civic Auditorium starting Wednesday, January 20 through Friday, February 5 on weekdays from 9 a.m. through 3 p.m. No appointment is required.