Table 2.
Decreased SV40 infectivity after MgCl
2
and heat inactivation
Input SV40 (pfu)
3.0 × 10
7
3.0 × 10
5
3.0 × 10
3
Residual SV40 (pfu)
6.0 × 10
6
± 1.05 × 10
6
3.9 × 10
4
± 0.84 × 10
4
2.4 × 10
2
± 0.91 × 10
2