A medical laboratory technician organizes vials at the 59th Medical Wing Armed Services Blood Donor Center at Joint Base San Antonio-Lackland, Texas, Jan. 30, 2021. Vials are taken before blood donations to ensure blood products are safe for transfusion. The blood donation center is seeking volunteers to donate COVID-19 convalescent plasma, which is collected from individuals whose plasma contains anti-SARS-CoV-2 antibodies.
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