COVID-19 patients can give back
A Trima machine, an automated blood collection system, separates COVID-19 convalescent plasma from the blood and returns it back to the patient Aug. 20, 2020, at the Armed Services Blood Bank Center, Joint Base San Antonio-Lackland, Texas. All donations support military hospitals and Navy hospital ships. (U.S. Air Force photo by Airman 1st Class Melody B. Bordeaux)