TABLE 2.

Ratio between GCPs and physical virus particles in different preparations

Preparation no.No. of GCPs/mlaNo. of particles/mlaGCP:particle ratio
13.1 × 10118.6 × 10121:28
27.8 × 10117.0 × 10121:9
31.3 × 10121.4 × 10131:11
46.4 × 10111.6 × 10131:25
59.9 × 10111.1 × 10131:11
  • a Values are the average of three determinations.