Effective this weekend, Parkland Health & Hospital System will permanently close its three walk-up COVID-19 testing sites in Dallas County due to declining testing volumes. Drive-through sites will continue to operate as normal. Closures include: Sam Tasby (Vickery), 7001 Fair Oaks Ave., closing Friday at 3 p.m. Irving Health Center, 1800 N Britain Road, closing Friday at 3 p.m. West […]