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TABLE 2.

Viremia in rhesus monkeys immunized with combinations of the DENV-2 DNA, PIV, and recombinant vaccinesa

Group Monkey Days of viremiab after virus challenge:
Mean viremia
1 2 3 4 5 6 7 8 9 10
D/R/R 942 +/1.4 +/2.4 −/2.4 +/0.9
898 +/0.9 +/2.6 +/2.5 −/1.2 4
WTV −/0.9 −/1.2 +/2.4 +/1.2
XJX +/1.5 +/2.1 +/1.5 +
D/P/P 992 −/1.4 +/1.8 −/1.8
VFE −/0.9 +/1.7 +/2.5 +/2.0 3
VAP −/1.7 +/2.1 −/0.9
XCW +/1.7 +/2.7
DR/DR/DR A25 −/0.9 −/1.2 +/2.2
939 + −/0.9 3.25
981 −/0.9 +/2.2 +/2.7 +
973 +/1.8 +/2.2 +/2.2 −/1.8
DP/DP/DP 975 −/1.2 +/2.6
895 −/1.9 −/1.4 +/2.9 +/2.7 2.25
921 + +/2.4 −/3.0
JWK
R/R/R 995 +/2.2 +/3.0 +/3.8 −/1.5
C67 +/1.2 +/2.1 +/2.2 3.75
C51 +/1.6 +/2.9 +/3.0 +/2.8 −/2.0
B27 +/1.2 +/1.8 +/1.5
P/P/P A79
A43 −/1.2 0.50
A65
C49 −/0.9
D/D/D 931 −/1.2 −/0.9
GZ +/1.8 +/1.8 3.25
F483 +/2.0 +/2.2 +/1.9 +/2.2
28R + +/2.3 +/2.6 +/1.7 −/1.8
PBS 887 + −/0.9 +/1.7 +/2.0 +/0.9 +
C07 + +/1.9 +/1.7 −/0.9 3.75
923 +/1.5 +
B13 + + +
a

D, DNA vaccine; P, PIV; R, recombinant vaccine.

b

Viremia results are presented as the result for isolation of virus by amplification in Vero cells (as + or −)/result on direct plaque assay of virus from serum (as log10 PFU/ml) (if present).