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Nigeria

NCDC Lassa Fever Situation Report Epi Week 27: 3rd – 7th July 2023

Attachments

Highlights

• In week 27, the number of new confirmed cases decreased from 10 in epi week 26, 2023 to 6 cases. This was reported from Ondo, Edo, Ebonyi and Benue States (Table 3)

• Cumulatively from week 1 to week 27, 2023, 170 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 (19.6%)

• In total for 2023, 28 States have recorded at least one confirmed case across 108 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.

• No new Healthcare worker was affected in the reporting week 27.

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