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Nigeria

NCDC Lassa Fever Situation Report Epi Week 23: 5th – 11th June 2023

Attachments

Highlights

• In week 23, the number of new confirmed decreased from 7 in epi week 22, 2023 to 1 case. This was reported from Edo State (Table 3)

• Cumulatively from week 1 to week 23, 2023, 164 deaths have been reported with a case fatality rate (CFR) of 17.1% which is lower than the CFR for the same period in 2022 (20.0%)

• In total for 2023, 28 States have recorded at least one confirmed case across 106 Local Government Areas (Figures 2 and 3)

• Seventy-two (72%) of all confirmed Lassa fever cases were reported from these three states (Ondo, Edo, and Bauchi) while 28% were reported from 25 states with confirmed Lassa fever cases. Of the 72% confirmed cases, Ondo reported 32%, 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 23 • National Lassa fever multi-partner, multi-sectoral Emergency Operations Centre (EOC) activated to coordinate the response activities at all levels