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Volume 9, Number 7—July 2003

Dispatch

Serologic Evidence of West Nile Virus Infection in Horses, Yucatan State, Mexico

María A. Loroño-Pino*†, Bradley J. Blitvich*, José A. Farfán-Ale†, Fernando I. Puerto†, José M. Blanco‡, Nicole L. Marlenee*, Elsy P. Rosado-Paredes†, Julian E. García-Rejón†, Duane J. Gubler§, Charles H. Calisher*, and Barry J. Beaty*Comments to Author 
Author affiliations: *Colorado State University, Fort Collins, Colorado, USA; †Universidad Autonoma de Yucatan, Merida, Yucatan, Mexico; ‡Universidad Autonoma de Yucatan, Xmatkuil, Yucatan, Mexico; §Centers for Disease Control and Prevention, Fort Collins, Colorado, USA

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Table 3

Neutralizing antibody titers to West Nile, Saint Louis encephalitis, Ilhéus, and Bussuquara viruses in serum samples from six horsesa

Horse PRNT90 titer
WNV SLEV ILHV BSQV
H-60
b
20c
b

H-117
320

b

H-126
>2,560
b


H-134




H-141




H-252 160

aWNV, West Nile virus; SLEV, Saint Louis encephalitis virus; ILHV, Ilhéus virus; BSQV, Bussuquara virus; PRNT, plaque reduction neutralization test; –, <20.

bPRNT80 titer: 20.

cPRNT80 titer: 40.

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