Changes

Brain lesions caused by WEE virus infection are focal and have lymphocytic infiltrations. Brain lesions caused by EEE virus infection are more severe and are found throughout the grey matter. They are characterised by a larger number of neutrophils among the inflammatory cells.

Brain lesions caused by WEE virus infection are focal and have lymphocytic infiltrations. Brain lesions caused by EEE virus infection are more severe and are found throughout the grey matter. They are characterised by a larger number of neutrophils among the inflammatory cells.

[[Image:Venezuelan_equine_encephalitis_virus.jpg|300px|thumb|right|''' (Photomicrograph of mouse brain tissue after dying of Venezuelan Encephalitis. Reveals neural necrosis and edema.  Sourced from Wikimedia Commons, Copyright of the Centers for Disease Control and Prevention (CDC) Public Health Image Library (PHIL) Image #2809, 2006) ''']]

[[Image:Venezuelan_equine_encephalitis_virus.jpg|300px|thumb|right|''' (Photomicrograph of mouse brain tissue after dying of Venezuelan Encephalitis. Reveals neural necrosis and edema.  ''Sourced from Wikimedia Commons, Copyright of the Centers for Disease Control and Prevention (CDC) Public Health Image Library (PHIL) Image #2809, 2006)'' ''']]

====Differential diagnosis====

====Differential diagnosis====