Table 1.
Regional seroprevalences; total number of tests conducted in Unguja and Pemba and their respective districts, with seropositivity as a percentage.
| District | Seropositive, N (%) | Seronegative, N (%) | Borderline, N (%) | Total, N |
|---|---|---|---|---|
| Total (Unguja) | 773 (57.1%) | 486 (35.9%) | 94 (6.9%) | 1353 |
| North A (Kaskazini A, Unguja) | 84 (56.8%) | 53 (35.8%) | 11 (7.4%) | 148 |
| North B (Kaskazini B, Unguja) | 93 (62.4%) | 49 (32.9%) | 7 (4.7%) | 149 |
| Central (Kati, Unguja) | 160 (58.4%) | 93 (33.9%) | 21 (7.7%) | 274 |
| South (Kusini, Unguja) | 81 (59.1%) | 50 (36.5%) | 6 (4.4%) | 137 |
| West (Magharibi, Unguja) | 159 (53.4%) | 122 (40.9%) | 17 (5.7%) | 298 |
| Urban (Mjini, Unguja) | 196 (56.5%) | 119 (34.3%) | 32 (9.2%) | 347 |
| Total (Pemba) | 394 (56.4%) | 267 (38.3%) | 37 (5.3%) | 698 |
| Chake Chake (Pemba) | 112 (60.5%) | 59 (31.9%) | 14 (7.6%) | 185 |
| Micheweni (Pemba) | 85 (50.6%) | 74 (44.0%) | 9 (5.4%) | 168 |
| Mkoani (Pemba) | 127 (56.2%) | 89 (39.4%) | 10 (4.4%) | 226 |
| Wete (Pemba) | 70 (58.8%) | 45 (37.8%) | 4 (3.4%) | 119 |
| Total (Zanzibar) | 1167 (56.9%) | 753 (36.7%) | 131 (6.4%) | 2051 |