Senior Airman Marisol Salgado (right), medical technician, administers a Pfizer-BioNTech COVID-19 vaccine to Army Capt. Rebecca Parrish (left), a COVID-19 intensive care unit nurse, Dec. 17, 2020 at Brooke Army Medical Center at Joint Base San Antonio-Fort Sam Houston. Parrish was the first BAMC staff member to receive a COVID-19 vaccine.