is question type has answer option collects Yes No Yes-No Question SickleInAfrica Core Data Element Blood Transfusion Since Last Visit SickleInAfrica CDE - Blood Transfusion Question 7 The Sickle in Africa core data element that records whether the participant was given a blood transfusion. Blood transfusion 1, Yes 0, No SCDO (Jade Hotchkiss) Management Details blood_transfusion yesno