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Table 3 Varicella seroprevalence according to age, among pregnant women attending antenatal clinics of De Soyza Maternity Hospital, Sri Lanka (2016)

From: Susceptibility for varicella and factors associated with immunity among pregnant women in a tertiary care hospital in Sri Lanka- a cross-sectional study

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