Table 2 Seroprevalence to four malarial antigens by age group
From: Using serological measures to monitor changes in malaria transmission in Vanuatu
Location | Age group (years) | N Pf MSP | Pf MSP +ve | % Pf MSP +ve | N Pf AMA | Pf AMA +ve | % Pf AMA +ve | N Pf SE | Pf SE +ve | % PfSE +ve | N Pv MSP | Pv MSP +ve | % Pv MSP +ve | N Pv AMA | Pv AMA +ve | % Pv AMA+ve |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | 0-5 | 64 | 4 | 6.3 (1.6-12.3) | 65 | 7 | 10.8 (3.0-18.5) | 66 | 5 | 7.6 (1.0-14.1) | 66 | 13 | 19.7 (9.8-29.5) | 65 | 8 | 12.3 (4.1-20.5) |
Northern Tanna | 5-20 | 176 | 15 | 8.5 (4.4-12.7) | 174 | 29 | 16.7 (11.1-22.3) | 176 | 25 | 14.2 (9.0-19.4) | 172 | 27 | 15.7 (10.2-21.2) | 175 | 20 | 11.4 (6.7-16.2) |
| Â | 20-80 | 121 | 44 | 36.4 (27.7-45.1) | 119 | 43 | 36.1 (27.4-45.0) | 120 | 68 | 56.7 (47.7-65.7) | 119 | 37 | 31.1 (22.7-39.5) | 121 | 41 | 33.9 (25.3-42.4) |
| Â | Total | 361 | 63 | 17.5 (13.5-21.4) | 358 | 79 | 22.1 (17.8-26.4) | 362 | 98 | 27.1 (22.5-31.7) | 357 | 77 | 21.6 (17.3-25.9) | 361 | 69 | 19.1 (15.0-23.2) |
| Â | 0-5 | 115 | 3 | 2.6 (0-5.6) | 119 | 5 | 4.2 (0.5-7.9) | 119 | 1 | 0.8 (0.0-2.5) | 117 | 6 | 5.1 (1.1-9.2) | 119 | 4 | 3.4 (0.1-6.6) |
Northern Tanna Highlands | 5-20 | 216 | 13 | 6.0 (2.8-9.2) | 218 | 14 | 6.4 (3.1-9.7) | 221 | 12 | 5.4 (2.4-8.4) | 216 | 14 | 6.5 (3.2-9.8) | 220 | 15 | 6.8 (3.5-10.2) |
| Â | 20-80 | 173 | 21 | 11.6 (7.2-17.1) | 174 | 35 | 20.1 (14.1-26.1) | 176 | 66 | 37.9 (30.6-45.2) | 174 | 12 | 6.9 (3.1-10.7) | 173 | 22 | 12.7 (7.7-17.7) |
| Â | Total | 504 | 37 | 7.3 (5.1-9.6) | 511 | 54 | 10.6 (7.9-13.2) | 514 | 79 | 15.4 (12.2-18.5) | 507 | 32 | 6.3 (4.2-8.4) | 512 | 41 | 8.0 (5.6-10.4) |
| Â | 0-5 | 52 | 1 | 1.9 (0-5.8) | 52 | 2 | 3.8 (0-9.3) | 51 | 0 | 0.0 | 51 | 5 | 9.8 (1.4-18.3) | 52 | 8 | 15.4 (5.2-25.5) |
Southern Tanna | 5-20 | 195 | 3 | 1.5 (0-3.3) | 188 | 7 | 3.6 (1.0-6.2) | 192 | 3 | 1.6 (0.0-3.3) | 195 | 22 | 11.3 (6.8-15.8) | 194 | 31 | 16.0 (10.8-21.2) |
| Â | 20-80 | 123 | 12 | 9.8 (4.4-15.1) | 122 | 11 | 9.0 (3.9-14.2) | 121 | 26 | 21.5 (14.1-28.9) | 123 | 19 | 15.5 (9.0-21.9) | 122 | 37 | 30.3 (22.1-38.6) |
| Â | Total | 370 | 16 | 4.3 (2.2-6.4) | 349 | 20 | 5.4 (3.1-7.7) | 364 | 29 | 8.0 (5.2-10.8) | 369 | 46 | 12.5 (9.1-15.9) | 368 | 76 | 20.7 (16.5-24.8) |
| Â | 0-5 | 90 | 1 | 1.1 (0-3.3) | 90 | 4 | 4.4 (0.1-8.8) | 90 | 4 | 4.4 (0.1-8.7) | 90 | 3 | 3.3 (0-7.1) | 88 | 3 | 3.4 (0-7.3) |
Aneityum | 5-20 | 218 | 9 | 4.1 (1.5-6.8) | 218 | 10 | 4.6 (1.8-7.4) | 219 | 5 | 2.3 (0.3-4.3) | 219 | 9 | 4.1 (1.5-6.8) | 210 | 12 | 5.7 (2.6-8.9) |
| Â | 20-80 | 208 | 24 | 11.5 (7.2-15.9) | 208 | 16 | 7.7 (4.0-11.1) | 208 | 52 | 25 (19.1-30.9) | 208 | 20 | 9.6 (5.6-13.7) | 207 | 36 | 17.4 (12.2-22.6) |
| Â | Total | 516 | 34 | 6.6 (4.4-8.7) | 516 | 30 | 5.8 (3.8-7.8) | 517 | 61 | 11.8 (9.0-14.6) | 517 | 32 | 6.2 (4.1-8.3) | 505 | 51 | 10.1 (7.5-12.7) |