C) DENV-3 strains.

Vietnamese strains I II III IV V
Minimum 0.27 7.40 1.58 7.79 10.73 6.02
Maximum 1.86 9.22 4.39 9.76 12.92 6.96
Mean 1.31 8.45 3.12 8.53 11.70 6.35