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Venezuelan equine encephalitis virus propagation in the olfactory tract of normal and immunized mice
A B Ryzhikov1, N V Tkacheva, A N Sergeev
1Institute of Molecular Biology, NPO (Scientific and Production Association), Kol'tsovo, Novosibirsk region.
Biomedical Science
|January 1, 1991
Abstract:
The role of virus spread in the induction of damage to the central nervous system (CNS) of mice infected with Venezuelan equine encephalitis virus (VEEV) via the respiratory route was studied. The virus concentration in various organs and in the blood, the sensitivity to different doses of virus, and ultrastructural lesions in various tissues were examined. It is concluded that VEEV can enter the CNS of nonimmunized mice both by vascular and by olfactory pathways, whereas in immunized mice the olfactory pathway is the main route.