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The prevalence of antibodies to varicella-zoster virus according to history of chickenpox
| History |
Negative (antibody level < 0.11 IU/mL) |
Equivocal (0.11 < antibody level < 0.13 IU/mL) |
Positive (antibody level >0.13 IU/mL) |
Total |
|---|---|---|---|---|
| Positive | 6 (5.40%) | 0(0%) | 105 (94.60%) | 111 |
| Negative | 66 (49.25%) | 0(0%) | 68 (50.75%) | 134 |
| Uncertain | 0 (0%) | 0(0%) | 5 (100%) | 5 |
| Total | 72 (28.8%) | 0(0%) | 178 (71.2%) | 250 |
