Nigeria, June 13 -- The Nigeria Centre for Disease Control and Prevention (NCDC) has reported 747 confirmed cases of Lassa fever across 18 states, with 142 deaths recorded as of epidemiological week 22, 2025.

The current case fatality rate (CFR) stands at 19.0 per cent, a slight increase from the 18.1 per cent reported during the same period last year.

According to the NCDC's latest Lassa Fever Situation Report, the number of new confirmed cases rose from six in week 21 to eight in week 22, with fresh infections recorded in Ondo, Bauchi, Edo, and Nasarawa States.

The report further revealed that five states, Ondo, Bauchi, Edo, Taraba, and Ebonyi, accounted for 91 per cent of all confirmed cases.

It said Ondo contributed 31 per cent, f...