Virusa | % with viremia | Mean no. of viremic days per monkeyb | Mean peak virus titer (log10PFU/ml ± SE) | Geometric mean serum neutralizing antibody titer on day 28 (reciprocal dilution)c | Virus replication after challenged | |
---|---|---|---|---|---|---|
% with viremia | Mean peak virus titer (log10PFU/ml ± SE) | |||||
Mock | 0 | 0 | <0.7 | <10 | 100 | 2.1 ± 0.1 |
DEN-2 Tonga/74 | 100 | 4.5 | 2.1 ± 0.3 | 311 | 0 | <0.7 |
rDEN-2 | 100 | 4.0 | 1.9 ± 0.1 | 173 | 0 | <0.7 |
rDEN2Δ30 | 100 | 2.8 | 1.7 ± 0.2 | 91 | 0 | <0.7 |