Major signs for AIDS case definition according to WHO is-
Major signs Weight loss greater than or equals to 10% of body weight Chronic diarrhea for more than 1 month Prolonged fever for more than 1 month (intermittent or constant ) Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 348
Generalized lymphadenopathy
Prolonged fever more than 1 month
Prolonged cough for > 1 month
Generalized pruritic dermatitis
Communicable diseases