This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
All of the following cause a False positive Mantoux test except 
Select and explain. 
A. HIV / AIDS, B. Prior BCG vaccine, C. Degraded tuberculin, D. Faulty technique of injection
A: HIV / AIDS
Answer: A: HIV / AIDS 
Explanation: FALSE NEGATIVE MANTOUX Malnutrition HIV / AIDS High fever Measles and chickenpox Use of immunosuppressants / antiallergic drugs