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Table 4 Prevalence and levels of B19V DNA in plasma derivatives

From: Parvovirus B19V DNA contamination in Chinese plasma and plasma derivatives

 Time period

Product

Positive lots/lots tested(%)

B19V DNA (geq/mL)among positive lots

≥ 104

≥ 103

≥ 102

Log geq ± SEM

1993–1995

albumin

3/10 (30%)

0

2

1

3.24 ± 0.44

IVIG

10/155 (6.5%)

8

2

0

4.92 ± 1.13

2009–2011

albumin

0/50 (0)

0

0

0

/

IVIG

21/54 (38.9%)

3

3

15

2.98 ± 0.65

factor VIII

19/35 (54.3%)

6

9

4

3.76 ± 0.94

Fibrinogen

6/7 (85.7%)

3

3

0

4.35 ± 1.26

PCC

12/17 (53.0%)

4

4

4

3.54 ± 1.13

Total

71/328 (21.6%)

24

23

24

 
  1. SEM standard error of log geomean.