Encephalitis/encephalopathy, Mild, with Reversible Myelin Vacuolization, also known as mmerv, is related to middle east respiratory syndrome and severe acute respiratory syndrome. An important gene associated with Encephalitis/encephalopathy, Mild, with Reversible Myelin Vacuolization is MYRF (Myelin Regulatory Factor). The drugs Benzocaine and Ritonavir have been mentioned in the context of this disorder. Affiliated tissues include brain and eye, and related phenotypes are seizure and acute encephalopathy