<prompt> Reyes Syndrome is cause by all except-Adeno virusRSVHerpesInfluenza  <response>: Ans. is b i.e., RSV Reyes syndrome Reyes syndrome is a metabolic mitochondria! disorder characterized by - i Fatty infiltration of liver ii Encephalopathy iii Sometimes fatty infiltration of kidney o So, it so also known as Encephalopathy with fatty degeneration of viscera. Etiology o It is an acute self limiting metabolic insult resulting in generalized mitochondrial dysfunction due to inhibition of fatty acid oxidation. o Precipitating factors - o Viral infection -- Influenza B A, Varicella Herpes type 3, Echovirus - 2, Adenovirus, EBV, Coxsackievirus A 