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Table 3 Results of ELISA and FAMA for the detection of anti-VZV IgG antibodies in sera of children 1–17 years of age (n = 1769 tested by ELISA and FAMA). The data set was stratified by the varicella vaccination status of the children. Germany

From: Varicella-zoster virus seroprevalence in children and adolescents in the pre-varicella vaccine era, Germany

ELISA positive

  

FAMA

positive n (%)

negative n (%)

total n (%)

 varicella vaccinated

5 (100%)

0

5 (100%)

 not varicella vaccinated

176 (99%)

2 (1%)

178 (100%)

 no vaccination card

14 (100%)

0

14 (100%)

 total

195 (99%)

2 (1%)

197 (100%)

ELISA negative

  

FAMA

positive n (%)

negative n (%)

total n (%)

 varicella vaccinated

12 (25.5%)

35 (74.5%)

47 (100%)

 not varicella vaccinated

53 (4.0%)

1268 (96.0%)

1321 (100%)

 no vaccination card

7 (8.1%)

79 (91.9%)

86 (100%)

 total

72 (5.0%)

1382 (95.0%)

1454 (100%)

ELISA equivocal result

  

FAMA

positive n (%)

negative n (%)

total n (%)

 varicella vaccinated

12 (66.7%)

6 (33.3%)

18 (100%)

 not varicella vaccinated

39 (40.6%)

57 (59.4%)

96 (100%)

 no vaccination card

3 (75.0%)

1 (25.0%)

4 (100%)

 total

54 (45.8%)

64 (54.2%)

118 (100%)