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Table 2 Evidence of T. gondii IgG seroconversion or reversion and TgERP antibody response in Scottish blood donors (2006–2009)

From: The prevalence and genotypic analysis of Toxoplasma gondii from individuals in Scotland, 2006–2012

Donor

Positive

logODc

Collection period

Date

Status

TgERP ELISA Result (OD)

A

N

−0.50

1

May 2006

 

0.20

A

Y

−0.27

2

April 2007

SEROCONVERTED

0.29

A

Y

−0.28

3

July 2008

0.19

B

N

−0.87

1

May 2006

 

0.20

B

N

−0.81

2

August 2006

 

0.21

B

N

−1.01

4

September 2008

 

0.21

B

Y

−0.02

4

January 2009

SEROCONVERTED

0.22

C

N

−0.89

1

April 2006

 

0.39

C

Y

0.25

3

May 2008

SEROCONVERTED

1.38 #

C

Y

0.13

4

September 2008

0.38

C

Y

0.03

4

December 2008

0.27

D

N

−0.63

1

May 2006

 

0.22

D

N

−0.77

2

November 2006

 

0.17

D

N

−0.99

3

August 2008

 

0.12

D

Y

0.00

4

December 2008

SEROCONVERTED

0.15

E

N

−0.51

1

May 2006

 

0.17

E

Y

0.12

2

January 2007

SEROCONVERTED

0.16

F

N

−0.58

1

June 2006

 

0.18

F

N

−0.52

2

September 2006

 

0.22

F

Y

−0.43

3

April 2008

SEROCONVERTED

0.20

F

N

−0.55

3

July 2008

REVERSION

0.23

F

Y

−0.22

4

November 2008

SEROCONVERTED

0.32

G

N

−0.80

1

June 2006

 

0.15

G

N

−0.74

2

October 2006

 

0.24

G

N

−0.74

3

June 2008

 

0.28

G

Y

−0.37

4

November 2008

SEROCONVERTED

0.23

G

N

−0.93

4

February 2009

REVERSION

0.25

H

N

−0.66

1

July 2006

 

0.25

H

Y

−0.29

4

February 2009

SEROCONVERTED

0.25

I

N

−0.79

3

July 2008

 

0.14

I

Y

−0.36

4

December 2008

SEROCONVERTED

0.14

J

N

−0.79

3

August 2008

 

0.23

J

Y

−0.08

4

December 2008

SEROCONVERTED

0.14

  1. Cut-off values: a) logODc cut-off value for T. gondii IgG ELISA = 0.48 b) OD cut-off value for TgERP analysis = 0.41. Key: Y = positive IgG result (and also highlighted in bold), N = negative IgG result, # = positive in TgERP ELISA