The Nigerian Centre for Disease Control (NCDC) says 152 people have died from Lassa fever in 2025.
In its Lassa fever situation report, the agency said in week 28, July 7 to July 13, there were 265 suspected cases, out of which 11 were confirmed.
The cases were reported in Ondo, Edo, and Benue states.
The NCDC said in 2025, there have been 6,520 suspected cases of Lassa fever, out of which 811 were confirmed.
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“Cumulatively, as of week 28, 2025, 152 deaths have been reported with a Case Fatality Rate (CFR) of 18.7%, which is higher than the CFR for the same period in 2024 (17.3%),” the agency said.
“In total for 2025, 21 States have recorded at least one confirmed case across 105 Local Government Areas (Figures 2 and 3).
“Eighty-nine percent (89%) of all confirmed Lassa fever cases were reported from five states (Ondo, Bauchi, Edo, Taraba, and Ebonyi) while 11% were reported from 16 states with confirmed Lassa fever cases. Of the 89% confirmed cases, Ondo reported 32%, Bauchi 23%, Edo 17%, Taraba 14%, and Ebonyi 3%.
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“The predominant age group affected is 21-30 years (Range: 1 to 96 years, Median Age: 30 years). The male-to-female ratio for confirmed cases is 1:0.8.
“The number of suspected and confirmed cases decreased compared to that reported for the same period in 2024.”
The NCDC said no new healthcare worker was affected in the reporting week 28, adding that the national Lassa fever multi-partner, multi-sectoral technical working group (TWG) continues coordinating the response activities at all levels.
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