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Volume 8, Number 3—March 2002

Research

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 4

Serologic response of hamsters following immunization with the SA14-2-8 vaccine strain of Japanese encephalitis virus (JEV) and subsequent challenge with West Nile virus (WNV)

Hamster no. HI antibody 30 days after JEV immunization HI antibody 6 days after WNV challenge WN MAC-ELISA 6 days after WNV challenge
JEV WNV JEV WNV
8236 1:80 1:80 1:640 1:640 0.166a
8237 1:40 1:80 1:320 1:320 0.205
8238 1:80 1:80 1:640 1:640 0.239
8239 1:80 1:80 1:640 1:640 0.173
8240 1:80 1:80 1:640 1:640 0.245
8241 1:80 1:80 1:320 1:640 0.271
8242 1:80 1:80 1:1,280 1:1,280 0.209
8243 1:40 1:80 1:160 1:160 0.205
8244 1:40 1:80 1:320 1:320 0.229
8245 1:80 1:80 1:160 1:160 NT

aOptical density value (³0.200 is positive).
HI = hemagglutination inhibition. NT = not tested.

Main Article

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