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|''' (Copyright Nina Rzechorzek 2010) ''']]

[[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) ''']]

Photomicrograph of mouse brain tissue after dying of Venezuelan Encephalitis. Reveals neural necrosis and edema.

Source:CDC's Public Health Image Library (PHIL) Image #2809

This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

====Differential diagnosis====

====Differential diagnosis====