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: Social & Preventive Medicine
Major signs for AIDS case definition according to WHO are -a) Generalized lymphadenopathyb) Prolong fever more than 1 monthc) Prolong cough for > 1 monthd) Chronic diarrhoea > 1 monthe) Weight loss > 10% 
Select and explain. 
A. abc, B. ade, C. ace, D. abde
D: abde
Answer: D: abde 
Explanation: None