Jun. 9 More than 20,000 Tarrant County children have received at least one dose of the COVID-19 vaccine, almost a month since the the FDA authorized the shots for 12- to 15-year-olds. Vinny Taneja, Tarrant County public health director, said these numbers show a decent turnout. About 100,000 children in the county are in that age group. More than 2,400 children are fully vaccinated, according .