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Virus Name:
Western equine encephalomyelitis
Abbreviation:
WEEV
Status
Arbovirus
Select Agent
No
SALS Level
2
SALS Basis
Results of SALS surveys and information from the Catalogue.
Other Information
USDA Permit Required, DOC Permit Required, Vaccination Recommended
Antigenic Group
A
Section X - Histopathology
Character of lesions (specify host)
Encephalitis characterized by focal microgliosis, destruction of ground substance and round cell perivascular cuffing. Lesions most frequent in caudate nuclei; present in cerebral cortex, cerebellum and brain stem. Lesions rare in cord.
Inclusion Bodies
Intranuclear
Organs/Tissues Affected
Brain (LV)
Category of tropism
Neurotropic except in some wild bird species in which death is toxemic.
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