Clinical signs may resemble those of WEE and EEE or may vary:
+
Clinical signs may resemble those of WEE and EEE or may vary<ref name="multiple">Bertone, J.J (2010) Viral Encephalitis in Reed, S.M, Bayly, W.M. and Sellon, D.C (2010) '''Equine Internal Medicine''' (Third Edition), ''Saunders'', Chapter 12</ref>:
*pyrexia peaks early and persists throughout the disease course
*pyrexia peaks early and persists throughout the disease course