Highlights
• In week 41, the number of new confirmed cases increased from 5 in epi week 40, 2023 to 9 cases These were reported in Edo, Ondo, and Bauchi States (Table 3)
• Cumulatively from week 1 to week 41, 2023, 188 deaths have been reported with a case fatality rate (CFR) of 17.2% which is lower than the CFR for the same period in 2022 (18.9%)
• In total for 2023, 28 States have recorded at least one confirmed case across 113 Local Government Areas (Figures 2 and 3)
• Seventy-five (75%) of all confirmed Lassa fever cases were reported from these three states (Ondo, Edo, and Bauchi) while 25% were reported from 25 states with confirmed Lassa fever cases. Of the 75% confirmed cases, Ondo reported 35%, Edo 29%, and Bauchi 11%
• The predominant age group affected is 21-30 years (Range: 1 to 93 years, Median Age: 32 years). The male-to-female ratio for confirmed cases is 1:0.9 (Figure 4)
• The number of suspected cases increased compared to that reported for the same period in 2022.
• One new Healthcare worker was affected in the reporting week 41.
• National Lassa fever multi-partner, multi-sectoral Technical Working Group (TWG) continues coordinating the response activities at all levels.