Lassa fever in Nigeria
Should I be worried? · Pathogen library: Lassa fever · Nigeria
| Official | Media, unverified | Reported this week | |
|---|---|---|---|
| Deaths | — | 5,536 268 highest in the last 7 days | +1 Media, unverified |
| Confirmed cases | — | 102,276 1,138 highest in the last 7 days | +16 Media, unverified |
| Suspected cases | — | 31,414 8,414 highest in the last 7 days | — |
Lassa fever in Nigeria appears to be an active national outbreak signal, but the current official picture is incomplete in the documents retrieved in this session. No directly retrievable 2026 WHO Disease Outbreak News item or Nigerian government situation report with current counts was found. Historical WHO material confirms that Lassa fever is endemic in Nigeria, causes repeated seasonal outbreaks, and can produce severe disease with high fatality among hospitalized patients. The media picture is more specific. Multiple 2026 news reports, each attributing figures to the Nigeria Centre for Disease Control and Prevention (NCDC), reported 1,138 confirmed cases and 268 deaths nationwide, with 8,414 suspected cases, spread across 119 local government areas in 24 states. Those reports also described only small weekly increments at the time of publication, suggesting continued transmission but not explosive acceleration in the retrieved snapshot. The main uncertainty is verification: the retrieved media numbers are internally consistent, but a directly fetched official 2026 bulletin was not available to confirm them. What to watch next is whether WHO publishes a current DON, whether NCDC releases a directly accessible situation report, whether spread reaches additional states or neighboring countries, and whether health-care-associated transmission or unusually rapid growth is reported.
Situation as of 19 Oct 2026
Official
A directly retrievable 2026 official count from WHO or Nigerian authorities was not found in this session. Retrieved WHO documents describe Lassa fever as endemic in Nigeria, with recurrent seasonal outbreaks and low-rate but real human-to-human transmission, especially in health-care settings.
Media, unverified
Multiple 2026 media reports, each attributing the figures to the Nigeria Centre for Disease Control and Prevention, reported 1,138 confirmed cases and 268 deaths in Nigeria in 2026. One report also stated 8,414 suspected cases and spread across 119 local government areas in 24 states; several reports mentioned three new confirmed cases and one new death in the latest reporting week.
Control measures
Current 2026 measures were not directly documented in retrieved official sources. In the most recent WHO Nigeria outbreak notice available here, response actions included an NCDC emergency operations center, rapid response teams, surveillance, laboratory testing, contact tracing, public education, supportive care, and rodent-control messaging.
Timeline
- · Media reports citing the NCDC said Nigeria had recorded 1,138 confirmed Lassa fever cases and 268 deaths in 2026; one report also mentioned three new confirmed cases and one new death in the latest week.
- · A media report citing the NCDC said the outbreak had reached 119 local government areas in 24 Nigerian states and listed 8,414 suspected cases, alongside 1,138 confirmed cases and 268 deaths.
- · Another media report citing Nigerian authorities repeated the national totals of 1,138 confirmed cases and 268 deaths, indicating the media picture remained stable across outlets.
Latest reports
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Nigeria's Lassa fever death toll rises to 268 - authorities - · nigerianobservernews.com · Media, unverified
Lassa fever claims 268 lives in Nigeria as fatality rate rises to 23.6% — NCDC - · therealmediang.com · Media, unverified
Lassa Fever: Nigeria Records 268 Deaths, 1,138 Cases in 2026 - · aa.com.tr · Media, unverified
Lassa fever kills 268, spreads to 119 local governments in 24 Nigerian states - · msn.com · Media, unverified
Nigeria records 268 Lassa fever deaths as fatality rate rises to 23.6 percent - NCDC - · beninwebtv.com · Media, unverified
In Nigeria, Lassa fever has caused 268 deaths since January.