Disse omfatter omhyggelig udvælgelse af blod - og plasmadonorer for at sikre, at personer med risiko for at have infektioner udelukkes, samt test af alle donationer og plasmareserver for tegn på virus/ infektioner.
These include careful selection of blood and plasma donors to make sure those at risk of carrying infections are excluded, and the testing of each donation and pools of plasma for signs of viruses/infections.