Mass COVID-19 vaccination site announced as numbers soar KRIS/KZTV COVID-19 drive-thru clinic set next Friday in Corpus Christi at the Old Christus Spohn Hospital Memorial site. and last updated 2021-07-30 18:48:18-04 CORPUS CHRISTI, Texas â The Corpus Christi - Nueces County Public Health District has scheduled a mass vaccination drive-thru clinic at the old Christus Spohn Hospital Memorial site, 2606 Hospital Boulevard, on Friday, August 6, from 7:30 a.m. to 7:30 p.m. In addition, COVID-19 testing sites remain open throughout the city. Vaccinations and COVID-19 testing are provided free to the public. Amistad Community Health Clinic, located at 1533 South Brownlee Blvd., offers COVID-19 testing on Tuesdays and Thursdays only. Individuals must call (361) 886-3050 to schedule an appointment. This location provides both âsickâ and âwellâ testing.