Emerging Infectious Disease ISSN: 1080-6059

Venezuelan Equine Encephalitis Virus Infection of Cotton Rats

Anne-Sophie Carrara*, Lark L. Coffey*, Patricia V. Aguilar*, Abelardo C. Moncayo*, Amelia P.A. Travassos Da Rosa*, Marcio R.T. Nunes†, Robert B. Tesh*, and Scott C. Weaver*

Author affiliations: *University of Texas Medical Branch, Galveston, Texas, USA; †Evandro Chagas Institute, Belém, Brazil;

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Figure 2

Histologic staining (hematoxylin and eosin) of Florida cotton rat tissues 9 days after intracranial inoculation with 3 log10 PFU of enzootic Venezuelan equine encephalitis virus (subtype IE). A) Inflammation of the meninges (arrows). B) Inflammation of the meninges and dilated blood vessels (arrows). C) Perivascular cuffing of blood vessels (arrow). D) Brain from a noninfected rat. (Magnification ×40.)

Figure 2. Histologic staining (hematoxylin and eosin) of Florida cotton rat tissues 9 days after intracranial inoculation with 3 log₁₀ PFU of enzootic Venezuelan equine encephalitis virus (subtype IE). A) Inflammation of the meninges (arrows). B) Inflammation of the meninges and dilated blood vessels (arrows). C) Perivascular cuffing of blood vessels (arrow). D) Brain from a noninfected rat. (Magnification ×40.)

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