This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Cryptic type miliary TB usually affects which group of patients given below? 
Select and explain. 
A. Young children, B. HIV patients, C. Diabetic patients, D. Elderly
D: Elderly
Answer: D: Elderly 
Explanation: A rare presentation of miliary TB seen in the elderly is cryptic miliary TB. It has a chronic course and with mild intermittent fever, anemia, and meningeal involvement preceding death. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 1349