San Antonio VA gives COVID-19 vaccine to staff members and residents The system is part of a group of 37 VA medical centers across the country to receive and administer the new Pfizer-BioNTech COVID-19 vaccine this week. Author: KENS 5 Staff (KENS 5) Published: 11:32 AM CST December 16, 2020 Updated: 4:19 PM CST December 16, 2020 SAN ANTONIO — The South Texas Veterans Health Care System began giving the new COVID-19 vaccine to its frontline health care employees and residents in long term care facilities. The system is part of a group of 37 VA medical centers across the country to receive and administer the new Pfizer-BioNTech COVID-19 vaccine this week.