Table 1 Titration of different lots of Sabin strains with both MPBT and CCID50 assays
Sabin type (lot) | Single titrationa | Multiplex titrationa | Mean | SD | RSD (%) | |
|---|---|---|---|---|---|---|
MPBT assay | CCID50 assay | MPBT assay | ||||
1 (1) | 8.75 | 8.75 | 9.13 | 8.88 | 0.22 | 53.92 |
2 (1) | 8.63 | 8.63 | 8.63 | 8.63 | 0.00 | 0.00 |
3 (1) | 9.36 | 9.25 | 9 | 9.20 | 0.18 | 44.47 |
1 (2) | 8.6 | 8.63 | 8.62 | 8.62 | 0.02 | 3.52 |
2 (2) | 8.19 | 8.04 | 8.18 | 8.14 | 0.08 | 19.49 |
3 (2) | 8.57 | 8.42 | 8.49 | 8.49 | 0.08 | 17.41 |
1 (3) | 8.52 | 8.43 | 8.56 | 8.50 | 0.07 | 15.42 |
2 (3) | 8.31 | 7.97 | 8.26 | 8.18 | 0.18 | 44.23 |
3 (3) | 8.43 | 8.39 | 8.34 | 8.39 | 0.05 | 10.41 |
1 (4) | 7.77 | 7.77 | 8.07 | 7.87 | 0.17 | 41.52 |
2 (4) | 7.73 | 7.65 | 8.14 | 7.84 | 0.26 | 66.52 |
3 (4) | 8.1 | 7.94 | 7.84 | 7.96 | 0.13 | 30.90 |