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Nigeria

NCDC Lassa Fever Situation Report Epi Week 51: 18th – 24th December 2023

Attachments

Highlights

• In week 51, the number of new confirmed cases increased from 10 in epi week 50, 2023 to 26 cases. These were reported in Bauchi, Ondo, Taraba, and Plateau States (Table 3)

• Cumulatively from week 1 to week 51, 2023, 215 deaths have been reported with a case fatality rate (CFR) of 17.5% which is lower than the CFR for the same period in 2022 (17.9%)

• In total for 2023, 28 States have recorded at least one confirmed case across 121 Local Government Areas (Figures 2 and 3)

• Seventy-seven (77%) of all confirmed Lassa fever cases were reported from these three states (Ondo, Edo, and Bauchi) while 23% were reported from 25 states with confirmed Lassa fever cases. Of the 77% confirmed cases, Ondo reported 35%, Edo 28%, and Bauchi 14%

• 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.

• Two new Healthcare workers were affected in the reporting week 51.