Major criteria Minor criteria
Respiratory insufficiency* Cerebral involvement* Petechial rash Tachycardia* > 110 bpm Pyrexia > 38.5 C Jaundice* Renal Changes Retinal changes Thrombocytopenia Increased ESR Fat macroglobulinemia
2 major criteria or one major and criteria and four minor criteria suggest a diagnosis of FES 2 major criteria or one major and criteria and four minor criteria suggest a diagnosis of FES