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Varicella seroprevalence according to age, among pregnant women attending antenatal clinics of De Soyza Maternity Hospital, Sri Lanka (2016)
| Age category (years) | Sero-status | Total | |
|---|---|---|---|
| Negative | Positive | ||
| 15–19 | 4 (20.0%) | 16 (80.0%) | 20 (100.0%) |
| 20–25 | 40 (40.0%) | 60 (60.0%) | 100 (100.0%) |
| 26–30 | 31 (26.3%) | 87 (73.7%) | 118 (100.0%) |
| 31–35 | 34 (34.3%) | 65 (65.7%) | 99 (100.0%) |
| 36–40 | 17 (41.5%) | 24 (58.5%) | 41 (100.0%) |
| 41–45 | 3 (60.0%) | 2 (40.0%) | 5 (100.0%) |
| Total | 129 | 254 | 383 |
