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Table 1 T. gondii antibody screening results in the mother’s and child’s sera in time course

From: First description of congenital toxoplasmosis after maternal coinfection with Toxoplasma gondii and severe acute respiratory syndrome coronavirus 2: a case report

Serum

Time after birth (weeks)

IgG

IgM

IgA

ELFAa (U/ml)

ELFAa (index)

ELISAb (ratio)

Mother

1

Positive (23)

Positive (4.49)

Positive (2.78)

 

6

Positive (260)

Positive (4.32)

Positive (> 5)

Child

1

c

c

Negative (0.03)

 

2

Negatived (< 4.0)

Negatived (< 0.55)

Negatived (< 0.8)

 

4

Negatived (< 4.0)

Negatived (< 0.55)

Negatived (< 0.8)

 

11

Positived (46)

Positived (2.32)

Positived (6.97)

 

29

Positive (95)

Negative (< 0.55)

Negative (0.14)

 

41

Positive (> 300)

Negative (< 0.55)

Negative (0.22)

  1. aEnzyme-linked fluorescent immunoassay , bioMérieux, France
  2. bEnzyme-linked immunosorbent assay, Euroimmun, Germany
  3. cThis antibody class was only measured by indirect immunofluorescence testing because of a shortage of material (see Fig. 1)
  4. dResults of the German consulting laboratory for Toxoplasma (Göttingen, Germany): ELFA, bioMérieux, France; ELISA, Biorad, USA