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Volume 9, Number 2, February 2003

Equine Amplification and Virulence of Subtype IE Venezuelan Equine Encephalitis Viruses Isolated during the 1993 and 1996 Mexican Epizootics

Dante Gonzalez,* José G. Estrada-Franco,† Anne-Sophie Carrara,† Judith F. Aronson,† and Scott C. Weaver†
*Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias, Mexico City, Mexico; and †University of Texas Medical Branch, Galveston, Texas, USA
 
 
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Figure 6. Representative histopathologic changes of brains of infected equines. A. Cerebrum, horse no. 3 (strain OAX131), showing perivascular cuff of lymphocytes (original magnification x200, hematoxylin and eosin [H&E] stain). B. Cerebrum, horse no. 4 (strain CPA201), showing perivascular cuff of lymphocytes (original magnification x200, H&E stain). C. Cerebral gray matter, horse no. 2 (strain OAX131), showing infiltration of mononuclear cells into brain parenchyma (original magnification x200, H&E stain), D. cerebral gray matter, horse no. 2, showing numerous eosinophils within perivascular infiltrate (arrow) (original magnification x200, H&E stain).

 

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This page last reviewed March 20, 2003

Emerging Infectious Diseases Journal
National Center for Infectious Diseases
Centers for Disease Control and Prevention