Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 8, Number 3—March 2002


Immunization with Heterologous Flaviviruses Protective Against Fatal West Nile Encephalitis

Robert B. TeshComments to Author , Amelia P.A. Travassos da Rosa, Hilda Guzman, Tais P. Araujo, and Shu-Yuan Xiao
Author affiliations: University of Texas Medical Branch, Galveston, Texas, USA;

Main Article

Table 3

Infection and mortality rates, following intraperitoneal inoculation of 104 TCID50 of West Nile virus (WNV), in nonimmune (control) hamsters, and in hamsters previously immunized with Japanese encephalitis (JE) SA14-2-8 vaccine, St. Louis encephalitis virus (SLEV) strain BeAr 23379, or yellow fever (YF) 17D vaccine

Immune group No. infected with WNV No. infected (%)a No. died (%)
Nonimmune 30 30 (100) 14 (47)
JEV SA14-2-8 30 30 (100) 0 (0)
SLEV BeAr 23379 32 32 (100) 0 (0)
YFV 17D 30 30 (100) 4 (13)

a Total number of animals infected or dead after being infected with WNV.

Main Article