Table 2. Neutralization sensitivity of breakthrough viruses.

IC50, 50% inhibitory concentration.

IC50 (μg/ml) in TZM-bl cells
SHIVSF162P3
cell-associated
virus stock
(donor animal 8FC8)
SHIVSF162P3
breakthrough virus
at 8 weeks
(animal 45BE)
SHIVSF162P3 breakthrough
virus at 1 week
(animal 0196)
SHIVSF162P3 breakthrough
virus at 1 week
(animal BDD4)
SHIVSF162P3
virus stock
PGT1210.030.030.020.020.09
PG9>10>10>10>10>10
CH01-310.470.450.371.032.74