Table 2.
Log10 reduction factors for virus inactivation procedures used in IVIG production
Inactivation step | Enveloped virus reduction (log10) |
||
---|---|---|---|
HIV | BVDV | PRV | |
SD (TNBP-cholate) [63] | ≥5.2 | ≥4.2 | ≥4.6 |
SD (TNBP-Triton X-100, Tween 80) [64] | >3.7 | >4.9 | >4.1 |
20 mM caprylate [40] | ≥4.5 | ≥4.5 | ≥4.6 |
10 h @ 60 °C [65] | >5.4 | >6.4 | >3.6 |
pH 4-pepsin [66] | >6.1 | >4.4 | >5.3 |
pH 4.25, 21 d @ 25 °C [40] | >6.5 | 3.5 | ≥4.3 |
SD = solvent and detergent.