Transfusion. Blood cleansing deemed safe, but more donors required.
D001803:Blood Transfusion / Q000592:standards*; D017848:Blood-Borne Pathogens / Q000302:isolation & purification*; D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D015658:HIV Infections / Q000097:blood* / Q000517:prevention & control; D006801:Humans; D012449:Safety; D014481:United States; D014486:United States Food and Drug Administration