Nigeria, March 28 -- The Nigeria Centre for Disease Control and Prevention (NCDC) has said that Lassa fever infections in 2026 remain heavily concentrated in a small number of states, even as weekly cases show signs of decline.

In its latest situation report covering Epidemiological Week 10 (2-8 March 2026), the agency disclosed that five states - Bauchi, Ondo, Taraba, Benue and Edo - account for 85 per cent of all confirmed cases recorded so far this year.

Bauchi alone accounted for 28 per cent of infections, followed by Ondo (21 per cent), Taraba (19 per cent), Benue (nine per cent) and, Edo (eight per cent).

The remaining 15 per cent of cases were spread across 15 other states.

In total, 20 states and 78 local government areas have...