Arlington March 12, 2021 6:16 pm Arlington Woman's Husband Was Tarrant County's 1st COVID-19 Death. Now, She's Fully Vaccinated About 7% of Tarrant County residents are fully vaccinated against COVID-19, including the widow of the county’s first confirmed coronavirus death. Wake Up to Something Good 1:31 CDC recommends updated Covid shot for everyone ages 6 months and up