Answer- A. After return of appetitePatients who are resuscitated from shock rapidly recover. Patients with dengue hemorrhagic fever or dengue shock syndrome may be discharged from the hospital when they meet the following criteria:* Afebrile for 24 hours without antipyretics* Good appetite, clinically improved condition* Adequate urine output* Stable hematocrit level* At least 48 hours since recovery from shock* No respiratory distress* Platelet count greater than 50,000 cells/mL