immunocompromisation question question on blood or blood product transfusion, or immune (gamma) globulin in past year Cosco Pharmacy vaccine informed consent form: http://www2.costco.com/Images/Content/misc/PDF/Immunization_consent_form_v2-2012.pdf During the past year, have you received a transfusion of blood or blood products, including antibodies? YL, YH a question textual entity that asks whether the questionee has conducted a blood or blood product transfusion, or given a medicine called immune (gamma) globulin, in the past year