684 bytes added
, 08:43, 21 October 2008
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{{toplink
|linkpage =Viruses
|linktext =VIRUSES
|sublink1=Togaviridae
|subtext1=TOGAVIRIDAE
|pagetype =Bugs
}}
<br>
====Antigenicity====
*3 Serotypes identified:
**Eastern EEV
**Western EEV
**Venezuelan EEV
====Pathogenesis====
*Viremia
*CNS replication within a week, causing:
**Paralysis of the lips
**Drooping eyelids
**Incoordination
*Often '''fatal'''
====Epidemiology====
*Transfer via '''vector''': mostly through '''mosquito salivary transfer'''
====Diagnosis====
*Clinical signs
*Virus isolation can be performed from blood or spinal fluid
====Control====
*Annual '''vaccination'''
*Vector control
*Human vaccination recommended for vets in endemic areas