Patient Blood Management During the 2020 COVID-19 Pandemic. Many of us are hearing of potential shortages of blood components and the call from blood centers for volunteers to donate during the COVID-19 pandemic. The Society for the Advancement of Blood Management recognizes the altruistic spirit and commitment to community that voluntary blood donors exhibit. Surprising to most people, though, is that after both natural and man-made disasters the use of transfused blood either stays the same or even declines.