People with a history of allergies to blood products such as IVIG or albumin. The patient has critical conditions such as multiple organ failure. pregnant women. Breastfeeding mothers. The patient is receiving treatment and medication outside the standard COVID 19 treatment protocol, and the physician believes that the patient is not suitable to participate in this trial. Known sensitivity to rabbit proteins

People with a history of allergies to blood products such as IVIG or albumin. The patient has critical conditions such as multiple organ failure. pregnant women. Breastfeeding mothers. The patient is receiving treatment and medication outside the standard COVID 19 treatment protocol, and the physician believes that the patient is not suitable to participate in this trial. Known sensitivity to rabbit proteins