Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 12, Number 6—June 2006

Dispatch

West Nile Virus Infection in Humans and Horses, Cuba

Maritza Pupo*Comments to Author , 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¶
Author affiliations: *Tropical Medicine Institute "Pedro Kouri," Havana, Cuba; †Ministry of Public Health, Havana, Cuba; ‡Instituto de Ecología y Sistemática, Havana, Cuba; §Instituto de Medicina Veterinaria, Havana, Cuba; ¶National Microbiology Laboratory, Winnipeg, Manitoba, Canada

Main Article

Table 1

Summary of horse sera tested for evidence of WNV infection by ELISA and PRNT*

Sample no. % inhibition (ELISA)
90% PRNT titer
Anti-WNV Antiflavivirus WNV SLEV Interpretation
C-7 65.3 65.2 160 20 WNV
C-13 58.9 60.4 320 WNV
C-19 63.2 63.3 320 WNV
C-20 74.6 62.2 640 WNV
C-2 44.4 60.4 20 SLEV
C-4 11.6 40.1 20 SLEV
C-5 67.5 67.6 20 SLEV
C-11 10.5 26.7 40 SLEV
C-12 32.2 68.0 20 SLEV
C-15 27.4 68.9 40 SLEV
C-16 64.6 65.7 40 SLEV
C-18 59.1 68.2 40 SLEV
C-10 62.7 66.3 80 40 Unidentified flavivirus
C-1 22.3 74.4 Unidentified flavivirus
C-3 40.5 54.1 Unidentified flavivirus
C-6 28.5 74.8 Unidentified flavivirus
C-9 40.9 73.6 Unidentified flavivirus
C-14 34.8 41.0 Unidentified flavivirus
C-21 9.9 68.4 Unidentified flavivirus

*WNV, West Nile virus; ELISA, enzyme-linked immunosorbent assay; PRNT, plaque reduction neutralization test; SLEV, Saint Louis encephalitis virus.

Main Article

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO