This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding disorder, Subject name: Pathology
Contraindication for platelet transfusion are all except:- 
Select and explain. 
A. Flavivirus infection, B. Thrombotic thrombocytopenic purpura, C. Immune thrombocytopenic purpura, D. Heparin induced thrombocytopenia
A: Flavivirus infection
Answer: A: Flavivirus infection 
Explanation: Platelet transfusion is done in :- Thrombocytopenia Non functional Platelet Platelet is not given in thrombocytopenic condition where the cause of low platelet is due to presence of antibody against antigen on platelet. Such as:- Heparin Induced Thrombocytopenic (HIT) Immune Thrombocytopenic (ITP) In condition like TTP (Thrombotic Thrombocytopenic purpura), we avoid Platelet transfusion because during platelet transfusion, there is increase risk of thrombosis. Therefore Platelet transfusion is CI:- TTP ITP HIT