Current acute or chronic symptomatic illness that requires ongoing medical or surgical care; Acute febrile illness; Lactation; History of receiving COVID19 vaccine; History of transfusion of any blood product or immunoglobulin within the 3 months before the study; History of long-term use (14 successive days) of immunosuppressive drugs or systemic corticosteroids in the last 4 months leading up to the study; History of diagnosis or treatment for HIV; History of allergic diseases such as angioedema or anaphylactic reactions following the use of drugs, vaccines or food; History of diagnosis or treatment for cancer (except basal cell carcinoma and Insitu cervical cancer); History of uncontrolled serious psychiatric illnesses; History of blood disorders (Blood Dyscrasias, coagulation disorders, platelet deficiency, etc); Continued use of anticoagulants such as coumarin and related anticoagulants (such as warfarin) or new oral anticoagulants / antiplatelet agents. Note: Less than 325 mg of aspirin per day as prophylaxis is allowed.; Current drug or alcohol abuse (addiction); Close contact with a definite case of COVID-19 up to two weeks prior to the day of receiving the first dose; Chronic diseases that are not listed as exclusion criteria but are considered unstable within the last 4 weeks.

Current acute or chronic symptomatic illness that requires ongoing medical or surgical care; Acute febrile illness; Lactation; History of receiving COVID19 vaccine; History of transfusion of any blood product or immunoglobulin within the 3 months before the study; History of long-term use (14 successive days) of immunosuppressive drugs or systemic corticosteroids in the last 4 months leading up to the study; History of diagnosis or treatment for HIV; History of allergic diseases such as angioedema or anaphylactic reactions following the use of drugs, vaccines or food; History of diagnosis or treatment for cancer (except basal cell carcinoma and Insitu cervical cancer); History of uncontrolled serious psychiatric illnesses; History of blood disorders (Blood Dyscrasias, coagulation disorders, platelet deficiency, etc); Continued use of anticoagulants such as coumarin and related anticoagulants (such as warfarin) or new oral anticoagulants / antiplatelet agents. Note: Less than 325 mg of aspirin per day as prophylaxis is allowed.; Current drug or alcohol abuse (addiction); Close contact with a definite case of COVID-19 up to two weeks prior to the day of receiving the first dose; Chronic diseases that are not listed as exclusion criteria but are considered unstable within the last 4 weeks.

Current acute or chronic symptomatic illness that requires ongoing medical or surgical care Acute febrile illness Breastfeeding History of receiving Covid19 vaccine History of transfusion of any blood product or immunoglobulin within the 3 months before the study History of long-term use (14 successive days) of immunosuppressive drugs or systemic corticosteroids in the last 4 months leading up to the study History of diagnosis or treatment for HIV History of allergic diseases such as angioedema or anaphylactic reactions following the use of drugs, vaccines or food History of diagnosis or treatment for cancer (except basal cell carcinoma and Insitu cervical cancer) History of serious psychiatric illnesses History of blood disorders (Blood Dyscrasias, coagulation disorders, platelet deficiency, etc) Continued use of anticoagulants such as coumarin and related anticoagulants (such as warfarin) or new oral anticoagulants / antiplatelet agents. Note: Less than 325 mg of aspirin per day as prophylaxis is allowed Any history of drug/alcohol abuse (addiction) during the last 2 years Close contact with a definite case of COVID-19 up to two weeks prior to the day of receiving the first dose Chronic diseases that are not listed as exclusion criteria but are considered unstable within the last 4 weeks

Current acute or chronic symptomatic illness that requires ongoing medical or surgical care Acute febrile illness Breastfeeding History of receiving Covid19 vaccine History of transfusion of any blood product or immunoglobulin within the 3 months before the study History of long-term use (14 successive days) of immunosuppressive drugs or systemic corticosteroids in the last 4 months leading up to the study History of diagnosis or treatment for HIV History of allergic diseases such as angioedema or anaphylactic reactions following the use of drugs, vaccines or food History of diagnosis or treatment for cancer (except basal cell carcinoma and Insitu cervical cancer) History of serious psychiatric illnesses History of blood disorders (Blood Dyscrasias, coagulation disorders, platelet deficiency, etc) Continued use of anticoagulants such as coumarin and related anticoagulants (such as warfarin) or new oral anticoagulants / antiplatelet agents. Note: Less than 325 mg of aspirin per day as prophylaxis is allowed Any history of drug/alcohol abuse (addiction) during the last 2 years Close contact with a definite case of COVID-19 up to two weeks prior to the day of receiving the first dose Chronic diseases that are not listed as exclusion criteria but are considered unstable within the last 4 weeks