In line with the WHO guidance, two units of CP will be given. EVD patients will be transfused with ABO-compatible CP using standard procedures. Details on the modalities of transfusion can be found in the WHO guidance document and the MSF guidelines on blood transfusion. All patients will be under close observation for transfusion-related adverse reactions during and up to 4 hours after transfusion. 24 hours after the start of transfusion, a blood sample will be collected for viral load assessment. All other aspects of patient management will be according to MSF clinical guidelines.