This document provides an update on the safety of substances of human origin (SoHO) in relation to COVID-19. It reassesses the risk and proposes revised mitigation measures for preventing transmission through SoHO.
This technical report assesses the risk of Ebola virus transmission through substances of human origin and offers guidelines on the safety of donations where the potential donors are travellers returning from Ebola-affected countries, people exposed to Ebola virus or patients who have recovered from the disease.