Application of Convalescent Plasma in the Treatment of SARS CoV-2 Disease (COVID-19) With Evaluation of Therapy Effectiveness

"The donor's blood will be collected after four weeks post-onset of illness. 600 ml ABO-compatible plasma sample will be harvested during apheresis from each donor and each sample will be divided and stored as 200 mL aliquots.~Patients who meet the criteria receive one dose (200 mL) of ABO compatible inactivated convalescent plasma with a confirmed neutralization activity."