Volume 12, Number 6—June 2006
Dispatch
West Nile Virus Infection in Humans and Horses, Cuba
Maritza Pupo*
, Maria Guadalupe Guzmán*, Roberto Fernández*, Alina Llop*, Félix Orlando Dickinson*, Daniel Pérez*, Raúl Cruz†, Tayri González†, Gonzalo Estévez†, Hiram González‡, Paulino Santos§, Gustavo Kourí*, Maya Andonova¶, Robbin Lindsay¶, Harvey Artsob¶, and Michael Drebot¶
, Maria Guadalupe Guzmán*, Roberto Fernández*, Alina Llop*, Félix Orlando Dickinson*, Daniel Pérez*, Raúl Cruz†, Tayri González†, Gonzalo Estévez†, Hiram González‡, Paulino Santos§, Gustavo Kourí*, Maya Andonova¶, Robbin Lindsay¶, Harvey Artsob¶, and Michael Drebot¶Table 2
Summary of human sera tested for evidence of WNV infection by ELISA and PRNT*
| Patient code | ELISA result† |
90% PRNT titers |
|||||
|---|---|---|---|---|---|---|---|
| IgM | IgG | HI titer† | WNV | SLEV | DENV | Interpretation | |
| M.M. | +/+ | +/+ | 40/160 | 320 | – | – | WNV |
| K.R. | +/+ | +/+ | 20/80 | 160 | – | – | WNV |
| O.G. | -/- | +/+ | 20/20 | 40 | – | – | WNV |
| M.L. | -/- | +/+ | 20/20 | – | 640 | 80 | SLEV |
| A.M.L. | -/- | +/+ | 20/40 | – | 320 | – | SLEV |
| R.A. | ND/– | ND/+ | 1,280 | – | 80 | – | SLEV |
| P.Y. | ND/– | ND/+ | <20 | – | 40 | – | SLEV |
| M.V. | -/- | +/+ | 20/40 | – | 80 | – | SLEV |
| J.A.R. | -/- | +/+ | 20/40 | 40 | 80 | 80 | Unidentified flavivirus |
| R.C. | -/- | +/+ | 20/20 | – | – | 80 | DENV |
| A.P. | -/- | +/+ | 20/20 | – | – | – | Unidentified flavivirus |
| L.V. | -/- | +/+ | 20/40 | – | – | – | Unidentified flavivirus |
| D.B. | ND/– | ND/+ | ND | – | – | – | Unidentified flavivirus |
*WNV, West Nile virus; ELISA, enzyme-linked immunosorbent assay; PRNT, plaque reduction neutralization test; Ig, immunoglobulin; HI, hemagglutination inhibition; SLEV, Saint Louis encephalitis virus; DENV, dengue virus; ND, not done.
†Acute-phase/convalescent-phase serum samples.
