Skip to main content

Table 1 DENV detection in blood donations collected in Puerto Rico in 2007

From: Immunologic hypo- or non-responder in natural dengue virus infection

 

S/CO by TMA*

S/CO by eTMA

CDC Testing

Unit

Initial

Retest

Initial

Retest

Serotype$

Viral load (Copies/ml)

C6/36#

Anti-DENV IgM

1

27.75

38.99

87.16

88.52

DENV-2

1.12 × 109

Pos

Neg

2

32.34

33.30

  

DENV-2

5.08 × 108

Pos

Pos

3&

33.30

37.38

91.10

83.09

DENV-2

1.35 × 108

Pos

Neg

4

37.66

39.16

87.13

89.32

DENV-3

7.25 × 107

Pos

Neg

5

40.29

27.03

82.29

92.04

DENV-3

1.37 × 107

Pos

Neg

6

32.73

35.03

  

DENV-3

1.18 × 107

Pos

Neg

7

33.91

32.87

  

DENV-3

7.67 × 106

Pos

Neg

8

31.97

30.59

  

DENV-1

4.49 × 106

Pos

Neg

9

19.14

13.94

  

DENV-2

2.82 × 106

Pos

Pos

10

33.10

38.68

87.86

89.91

DENV-3

6.39 × 105

Pos

Neg

11

31.25

33.56

  

DENV-3

3.50 × 105

Pos

Neg

12

5.68

20.55

29.48

21.59

DENV-3

1.00 × 105

Pos

Neg

13

34.81

37.21

76.16

32.72

 

<103

Neg

Neg

14

23.38

31.07

31.25

31.18

 

<103

Neg

Neg

15

14.23

23.26

28.59

3.28

 

<103

Neg

Pos

16

13.14

25.77

29.26

12.51

 

<103

Neg

Neg

17

11.51

5.63

   

<103

Neg

Neg

18

8.17

16.58

   

<103

Neg

Neg

19

6.64

8.91

   

<103

Neg

Pos

20

5.06

4.12

29.96

8.61

 

<103

Neg

Neg

21

3.37

4.95

   

<103

Neg

Pos

22

2.95

25.28

   

<103

Neg

Pos

23

8.20

1.40

   

<103

Neg

Neg

24

4.46

0.01

24.80

0.06

 

<103

Neg

Neg

25

1.02

2.29

28.01

0.01

 

<103

Neg

Neg

26%

0.45

 

26.38

27.55

 

<103

Neg

Neg

27%

0.17

 

26.18

30.99

 

<103

Neg

Neg

28%

0.30

 

25.31

29.11

 

<103

Neg

Neg

29%

0.50

 

24.34

17.85

 

<103

Neg

Neg

  1. *TMA reactive when the S/CO ratio is 1.00 or greater. $Serotype-specific, real-time RT-PCR. #C6/36=the mosquito cell line used for infectivity studies. &Unit3 was involved in a transfusion transmission. %Four TMA nonreactive samples were eTMA reactive. Bold text indicates positive values. With permission from originally published in Transfusion 2012 Aug; 52(8):1657-66.