Serum samples were obtained from 252 horses in the State of Yucatan, Mexico, from July to October 2002. Antibodies to West Nile virus were detected by epitope-blocking enzyme-linked immunosorbent assays in three (1.2%) horses and confirmed by plaque reduction neutralization test. We report the first West Nile virus activity in the State of Yucatan.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3023444 | PMC |
| http://dx.doi.org/10.3201/eid0907.030167 | DOI Listing |
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