The Nigeria Centre for Disease Control and Prevention (NCDC) has reported a fresh increase in confirmed Lassa fever cases after infections dropped briefly in the previous reporting week, with the total number of deaths from the disease now standing at 229 this year.

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The latest Lassa fever situation report released by the agency on Friday showed that Nigeria recorded more confirmed cases in epidemiological week 28 than in week 27, indicating that transmission of the disease is still ongoing in several parts of the country.

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According to the report, confirmed infections fell from 31 cases in week 26 to 14 cases in week 27 before rising again to 25 cases in week 28.
The new infections recorded in week 28 came from Ondo, Bauchi, Edo, Kogi and Cross River states. In comparison, the confirmed cases reported during week 27 were from Ondo, Edo, Benue, Bauchi and Kogi states.
The NCDC disclosed that Nigeria has now recorded a total of 963 confirmed Lassa fever cases and 229 deaths as of epidemiological week 28 in 2026.
The report showed that the current case fatality rate stands at 23.8 per cent, which is higher than the 18.7 per cent recorded during the same period in 2025.
Data for week 27 indicated that the country had recorded 936 confirmed infections and 224 deaths at the time, giving a case fatality rate of 23.9 per cent, compared with 18.9 per cent during the corresponding period last year.
The agency also revealed that confirmed Lassa fever cases have now been reported in 23 states across the country. The disease affected 113 local government areas in week 27 before expanding to 114 local government areas in week 28.
According to the report, most of the confirmed infections continue to come from Bauchi, Ondo, Taraba, Benue and Edo states. These five states accounted for 85 per cent of all confirmed cases in week 27, while their contribution increased to 86 per cent in week 28.
The NCDC further stated that adults between the ages of 21 and 30 years remain the age group most affected by the disease.
The report also showed that no healthcare worker was infected during week 27. However, one healthcare worker contracted Lassa fever in week 28.
The agency called for stronger disease surveillance, quicker detection of suspected cases, prompt medical treatment, strict infection prevention measures and increased public awareness to reduce the spread of the disease and prevent more deaths.

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