Table 2 HBV serology in infants, school pupils and pregnant women according to location
Infants N (%) | Pre-school children N (%) | School pupils N (%) | Pregnant women N (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
VTN | LPB | Total | Huaphan | LPB | BLX | SVN | Total | VTN | LPB | Total | |
anti-HBs- anti-HBc- | 23 (24.5) | 31 (31.6) | 54 (28.1) | 86 (65.1) | 318 (53.4) | 358 (63.9) | 369 (69.2) | 1045 (61.9) | 98 (51.9) | 69 (34.7) | 167 (43.0) |
anti-HBs + anti-HBc - | 61 (64.9) | 54 (55.1) | 115 (59.9) | 18 (13.6) | 131 (22.0) | 108 (19.3) | 58 (10.9) | 297 (17.6) | 6 (3.2) | 23 (11.6) | 29 (7.5) |
anti-HBs– anti-HBc + | 7 (7.5) | 5 (5.1) | 12 (6.3) | 13 (9.9) | 61 (10.2) | 57 (10.2) | 75 (14.1) | 193 (11.4) | 30 (15.9) | 46 (23.1) | 76 (19.6) |
anti-HBs + anti-HBc+ | 3 (3.2) | 8 (8.2) | 11 (5.7) | 15 (11.4) | 86 (14.4) | 37 (6.6) | 31 (5.8) | 154 (9.1) | 55 (29.1) | 61 (30.7) | 116 (29.9) |
HBsAg + * | 1 (1.1) | 0 | 1 (0.5) | 6 (4.5) | 50 (8.4) | 20 (3.6) | 63 (11.8) | 133 (7.9) | 18 (9.5) | 14 (7.0) | 32 (8.2) |
Total | 94 | 98 | 192 | 132 | 596 | 560 | 533 | 1689 | 189 | 199 | 388 |