Research Article
Characterization of Recombinant Dengue-2 Virus Derived from a Single Nucleotide Substitution in the 5′ Noncoding Region
Table 3
Immunoprotection assay of DEN-2 mutants.
| | PRNT titer against D2-16681 virus in pooled sera | | Viruses | Immunized (day 5th) | Boost 1 (day 19th) | Boost 2 (day 33rd) | Challenged (day 38th) |
| | D2-16681 | 160 | 640 | 1280 | 5120 | | D2-14.M | 20 | 80 | 160 | 640 | | D2-15.M | 80 | 160 | 160 | 1280 | | D2-57.M | 40 | 160 | 320 | 2560 |
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