Nigeria, June 22 -- Nigeria Centre for Disease Control and Prevention (NCDC) has reported that the case fatality rate for Lassa fever rose to 19.3 per cent in 2026, up from 18.9 per cent recorded during the same period in 2025.

The agency disclosed this in its Lassa Fever Situation Report for Epidemiological Week 23, covering 1 to 7 June 2026.

According to the report, the number of newly confirmed cases remained unchanged from the previous week, with infections recorded in Edo, Ondo, Bauchi, and Ebonyi states.

The NCDC also noted that no new infections among healthcare workers were reported during the week under review. The outbreak spreads across 23 states.

The report showed that the outbreak has affected 23 states and 109 Local Gove...