Nigeria, June 18 -- The Nigeria Centre for Disease Control and Prevention (NCDC) has reported a rise in the case fatality rate (CFR) of confirmed Lassa fever infections, surpassing the rate recorded during the same period in 2024.

As of epidemiological week 23 in 2025, a total of 143 deaths have been reported, with a CFR of 18.9 per cent - higher than the 17.8 per cent CFR recorded for the same period in 2024.

So far, 18 states have reported at least one confirmed case across 96 Local Government Areas.

According to the latest situation report released by the NCDC, the number of confirmed cases rose to 11 in week 23, up from eight reported in the preceding week.

The new infections were recorded in four states: Ondo, Edo, Bauchi, and Ta...