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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

Main Article

Table 2

Summary of horses with HI assay or epitope-blocking ELISA antibodies to flavivirusesa

Horse Sampling date Study site Age
(y) Sex Clinical symptoms Outcome HI assay titer % inhibition by blocking ELISAb
3.1112Gc 6B6C-1d
H-60
July 2, 2002
Merida
8
Male
Gastrointestinal (recurrent colic)
Survived
10
0
59
H-117
July 5, 2002
Tizimin
7
Male
None
Survived
10
84
93
H-126
July 5, 2002
Tizimin
2
Male
None
Survived
40
87
93
H-134
July 5, 2002
Tizimin
3
Female
None
Survived
10
11
0
H-141
July 5, 2002
Tizimin
10
Male
None
Survived
80
5
47
H-252 Oct. 15, 2002 Caucel 3 Male Neurologic and muscular symptoms Euthanized 20 64 25

aHI, hemagglutination-inhibition; ELISA, enzyme-linked immunosorbent assay.

bInhibition values >30% are considered significant.

cMAb 3.1112G is WNV-specific.

dMAb 6B6C-1 is flavivirus group–reactive.

Main Article

Page created: December 22, 2010
Page updated: December 22, 2010
Page reviewed: December 22, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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