| General hospital | Number investigated | Number positive (%) | Number negative (%) |
| Igumale | 16 | 3 (18.8) | 13 (81.3) |
| Obagaji | 16 | 3 (18.8) | 3 (81.3) |
| Ugbokpo | 16 | 1 (6.3) | 15 (93.8) |
| Buruku | 16 | 3 (18.8) | 13 (81.3) |
| Gboko | 16 | 3 (18.8) | 13 (81.3) |
| Gbajimba | 16 | 6 (37.5) | 10 (62.5) |
| Aliade | 16 | 3 (18.8) | 13 (81.3) |
| Naka | 16 | 3 (18.8) | 13 (81.3) |
| Katsina ala | 16 | 3 (18.8) | 13 81.3) |
| Tse agbaragba | 16 | 2 (12.5) | 14 (77.8) |
| Adikpo | 16 | 4 (25.0) | 12 (75.0) |
| Ugba | 16 | 2 (12.5) | 14 (77.8) |
| Makurdi | 16 | 4 (25.0) | 12 (75.0) |
| Obarike ito | 16 | 2 (12.5) | 14 (77.8) |
| Otukpa | 16 | 3 (18.8) | 13 (81.3) |
| Idekpa | 16 | 1 (6.3) | 15 (93.8) |
| Oju | 16 | 3 (18.8) | 13 (81.3) |
| Okpoga | 16 | 1 (6.3) | 15 (93.80 |
| Otukpo | 16 | 3 (18.8) | 13 81.3) |
| Wanune | 16 | 1 (6.3) | 15 (93.8) |
| Sankera | 16 | 1 (6.3) | 15 (93.8) |
| Lessel | 16 | 1 (6.3) | 15 (93.8) |
| Vandeikya | 16 | 4 (25.0) | 12 (77.8) |
| Total | 368 | 60 (16.3) | 308 (83.7) |