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Nigeria

NCDC Lassa Fever Situation Report Epi Week 21: 20th – 26th May 2024

Attachments

Highlights

• In week 21, the number of new confirmed cases increased from 4 in epi week 20, 2024 to 10. These were reported in Ondo, Bauchi, Edo and Plateau States (Table 3)

• Cumulatively from week 1 to 21, 2024, 162 deaths have been reported with a case fatality rate (CFR) of 18.1% which is higher than the CFR for the same period in 2023 (17.1%)

• In total for 2024, 28 States have recorded at least one confirmed case across 125 Local Government Areas (Figures 2 and 3)

• Sixty-five (65%) of all confirmed Lassa fever cases were reported from these three states (Ondo, Edo, and Bauchi) while 35% were reported from 25 states with confirmed Lassa fever cases. Of the 65% confirmed cases, Ondo reported 25%, Edo 22%, and Bauchi 18%

• The predominant age group affected is 21-30 years (Range: 1 to 98 years, Median Age: 32 years). The male-to-female ratio for confirmed cases is 1:1 (Figure 4)

• The number of suspected cases increased compared to that reported for the same period in 2023.

• No new Healthcare worker was affected in the reporting week 21.

• National Lassa fever multi-partner, multi-sectoral Technical Working Group (TWG) continues coordinating the response activities at all levels.