Table 2.

IFN-inducing capacities of VSV field isolates and plaque-derived populationsa

Virus type or designationNo. of samplesIFN yield (U/107 cells) (mean ± SD)RangeFold difference
VSV-IN isolates (first-passage populations)32451 ± 69450–281056
VSV-NJ isolates (first-passage populations)344,429 ± 7,688350–45,000129
VSV-IN no. 11 (plaque-derived subpopulations)274,680 ± 3,560160–14,31089
VSV-NJ Lab no. 71 (vesicle plaque-derived subpopulations)77858 ± 404310–2,7909
VSV-IN Lab no. 22 (plaque-derived subpopulations)
 With no. 22-2036940 ± 5,16515–31,0002,100
 Without no. 22-203579 ± 3315–16811
  • a Results for IN isolates, NJ isolates, and subpopulations of no. 11, 71, and 22 are based on data used to generate Fig. 1a, 1b, 2, 4, and 3, respectively.