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: Pediatrics
HIV in children, characteristic finding is ? 
Select and explain. 
A. Kaposi sarcoma is common, B. Recurrent candidiasis, C. Recurrent chest infection, D. Cryptococcal diarrhoea is common
C: Recurrent chest infection
Answer: C: Recurrent chest infection 
Explanation: Ans. is 'c' i.e., Recurrent Chest infection with atypical organism o " Pneumonia caused by pneumocystis carinii is the most common AIDS defining diagnosis in children with unrecognized HIV infection"