Lassa Fever: Ondo, Bauchi, Edo lead 90% of 2025 cases — NCDC

Lassa Fever in Nigeria

From Fred Ezeh, Abuja

The Nigeria Centre for Disease Control and Prevention (NCDC) has stated that five states, namely Ondo, Bauchi, Edo, Taraba, and Ebonyi, accounted for 90 per cent of reported cases of Lassa fever in 2025, while 10 per cent were reported from 16 other states.

The NCDC, in an epidemiology report for week 33 of 2025 (11th-17th August) released in Abuja on Wednesday, August 27, noted that of the 90 per cent confirmed cases, Ondo State reported 33%, Bauchi State 23%, Edo State 17%, Taraba State 14%, and Ebonyi State 3%.

It also noted that 21 states recorded at least one confirmed case across 106 local government areas, with the predominant age group affected being 21-30 years, and the male-to-female ratio for confirmed cases stood at 1:0.8.

Meanwhile, the epidemiology report indicated that the number of suspected and confirmed cases decreased compared to what was reported for the same period in 2024, adding that no new healthcare worker was affected in the reporting epidemiological week 33.

It further noted that in week 33, the number of new confirmed cases decreased from 12 in epidemiological week 32 of 2025 to 5 in epidemiological week 33, disclosing that the few cases were reported in Bauchi, Ondo, and Edo States.

It disclosed that, cumulatively as at week 33, 2025, 159 deaths have been reported with a Case Fatality Rate (CFR) of 18.6 per cent, which is higher than the CFR for the same period in 2024 (17.2%).

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