Volume 8, Number 3—March 2002
Research
Immunization with Heterologous Flaviviruses Protective Against Fatal West Nile Encephalitis
Robert B. Tesh
, Amelia P.A. Travassos da Rosa, Hilda Guzman, Tais P. Araujo, and Shu-Yuan Xiao
, Amelia P.A. Travassos da Rosa, Hilda Guzman, Tais P. Araujo, and Shu-Yuan XiaoTable 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.
