Equine Encephalitis Virus
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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