According to the Nigeria Centre for Disease Control and Prevention (NCDC), Lassa fever has killed 214 people in Nigeria, with the Case Fatality Rate rising to 25.0%.
The NCDC Lassa Fever Situation Report for Week 23 (June 1–June 7) includes this information.According to the organization, this represents a significant increase from 18.9% during the same period in 2025.
In comparison to 2025, there has been a rise in both suspected and confirmed cases.
“In week 23, the number of new confirmed cases was consistent with that of week 22.
“Edo, Ondo, Bauchi, and Ebonyi reported infections. During the week, no new infections among healthcare workers were reported.
It stated, “Since January 2026, the outbreak has spread across 23 states and 109 Local Government Areas.”
Eighty-four percent of all confirmed cases are found in five states.
With 28%, Ondo is in the lead, followed by Bauchi with 25%, Taraba with 15%, Edo with 10%, and Benue with 6%.
According to the report, “the remaining 16% of cases are spread across 18 other states with confirmed infections.”
The government claims that young adults continue to be the most impacted.
The NCDC’s primary age group is 21–30 years old, with cases ranging from one to ninety-three years old and a median age of thirty.
The National Lassa fever multi-partner, multi-sectoral Incident Management System (IMS) is still in operation to coordinate the response, according to the agency.
It stated that response efforts at the federal, state, and local government levels are supported by the IMS.
The higher CFR and broader geographic dispersion indicate continued transmission pressure, according to the statement that no new healthcare worker case was identified in week 23.
It indicates that the 23 impacted states are still conducting monitoring and case management activities.
(NAN)
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