TABLE 2.
Neutralizing antibody titers against the SIVmac251 challenge strain in CEM × 174 cells
| Group | Animal no. | Titers at indicated no. of mo postchallengea
|
|
|---|---|---|---|
| 8 | 12 | ||
| Slow-progressor vaccinees | 269 | − | − |
| 273 | 27 | − | |
| 274 | − | − | |
| 276 | − | − | |
| Progressor vaccinees | 268 | >80 | − |
| 270 | − | − | |
| 271 | Dead | ||
| 272 | 38 | Dead | |
| 275 | − | Dead | |
| 277 | Dead | ||
| 278 | 10 | >80 | |
| 280 | 31 | 47 | |
| Controls | 279 | − | Dead |
| 281 | − | − | |
| 282 | − | 20 | |
| 283 | − | − | |
| 284 | Dead | ||
| 285 | − | − | |
| 286 | 13 | Dead | |
| 287 | − | Dead | |
a
Significant titers of neutralizing antibodies were not detected in any animal at the time of challenge. −, antibody titers not detectable; dead, the animal was dead at the time of sample collection.