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Nigeria

NCDC Lassa Fever Situation Report Epi Week 26: 26th June – 2nd July 2023

Attachments

Highlights

• In week 26, the number of new confirmed cases was 10, which is the same as in epi week 25, 2023. This was reported from Ondo and Plateau States (Table 3)

• Cumulatively from week 1 to week 26, 2023, 169 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 (19.9%)

• In total for 2023, 28 States have recorded at least one confirmed case across 107 Local Government Areas (Figures 2 and 3)

• Seventy-three (73%) of all confirmed Lassa fever cases were reported from these three states (Ondo, Edo, and Bauchi) while 27% were reported from 25 states with confirmed Lassa fever cases. Of the 73% confirmed cases, Ondo reported 33%, 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 26.

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