Table 1. Number and incidence of Lassa fever cases, by state or territory, Nigeria, January 1–May 6, 2018.
| State or territory | Population, ×1,000* | No. confirmed cases (deaths) | Case-fatality rate, % | No. confirmed cases/100,000 population | No. laboratory-negative suspected cases | No. probable cases | Positive rate, % |
|---|---|---|---|---|---|---|---|
| Abia | 3,727 | 1 (1) | 100.0 | 0.027 | 11 | 1 | 8.3 |
| Adamawa | 4,248 | 1 (1) | 100.0 | 0.024 | 2 | 1 | 33.3 |
| Anambra | 5,528 | 4 (2) | 50.0 | 0.072 | 3 | 0 | 57.1 |
| Bauchi | 6,537 | 10 (5) | 50.0 | 0.153 | 50 | 0 | 16.7 |
| Benue | 5,742 | 1 (1) | 100.0 | 0.017 | 6 | 1 | 14.3 |
| Delta | 5,663 | 7 (3) | 42.9 | 0.124 | 3 | 0 | 70.0 |
| Ebonyi | 2,880 | 64 (15) | 23.4 | 2.222 | 28 | 4 | 69.6 |
| Edo | 4,236 | 178 (26) | 14.6 | 4.202 | 901 | 0 | 16.5 |
| Ekiti | 3,271 | 2 (1) | 50.0 | 0.061 | 10 | 0 | 16.7 |
| Federal Capital Territory | 3,564 | 3 (2) | 66.7 | 0.084 | 38 | 0 | 7.3 |
| Gombe | 3,257 | 2 (2) | 100.0 | 0.061 | 13 | 0 | 13.3 |
| Imo | 5,409 | 4 (1) | 25.0 | 0.074 | 11 | 0 | 26.7 |
| Kaduna | 8,252 | 1 (1) | 100.0 | 0.012 | 4 | 0 | 20.0 |
| Kogi | 4,474 | 11 (4) | 36.4 | 0.246 | 15 | 2 | 42.3 |
| Lagos | 12,551 | 1 (1) | 100.0 | 0.008 | 28 | 0 | 3.4 |
| Nasarawa | 2,523 | 3 (2) | 66.7 | 0.119 | 34 | 0 | 8.1 |
| Ondo | 4,672 | 99 (24) | 24.2 | 2.119 | 214 | 1 | 31.6 |
| Osun | 4,706 | 2 (1) | 50.0 | 0.043 | 2 | 0 | 50.0 |
| Plateau | 4,200 | 9 (7) | 77.8 | 0.214 | 39 | 0 | 18.8 |
| Rivers | 7,304 | 1 (1) | 100.0 | 0.014 | 7 | 0 | 12.5 |
| Taraba |
3,067 |
19 (5) |
26.3 |
0.620 |
41 |
0 |
31.7 |
| Total | 193,393 | 423 (106) | 25.1 | 0.219 | 1,460 | 10 | 22.5 |
*Data source: National Bureau of Statistics (22).