Table 3.

ComparativeS. aureus densitiesa

Source of culture and time (h) culturedLog10 CFU/g of tissue ± SD (n = 9) for indicated strain
ISP479CISP479R
Vegetation
 480.57 ± 0.508.12 ± 0.72
 960.52 ± 0.117.70 ± 1.42
Kidney
 480.41 ± 0.195.34 ± 0.54
 960.91 ± 0.175.60 ± 0.84
Spleen
 480.28 ± 0.045.33 ± 0.25
 960.80 ± 0.604.60 ± 2.44
  • a Animals were infected simultaneously with a 95% infective dose of inoculum for each strain (∼3 × 106 CFU). P was <0.0001 for all comparisons.