NCDC situation report, epi week 29: 6 new confirmed cases and 1 death in Edo State, the current low-transmission endemic tail. Cumulatively the 2026 season stands at 807 cases and 207 deaths nationally (CFR 25.6%).
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16 июля 2026 г.
- ОфициальныеIrrua, EdoNigeria
6 июля 2026 г.
- ОфициальныеOwo, OndoNigeria
NCDC situation report, epi week 27: 8 new confirmed cases and 2 deaths in Ondo State. WHO's Lassa fever fact sheet notes Nigeria records cases year-round, with the dry-season peak now well past.
22 июня 2026 г.
- ОфициальныеIrrua, EdoNigeria
NCDC situation report, epi week 25: 12 new confirmed cases and 2 deaths in Edo State, the persistent endemic baseline at ISTH between seasons.
15 июня 2026 г.
- ОфициальныеOwo, OndoNigeria
NCDC situation report, epi week 24: 14 new confirmed cases and 3 deaths in Ondo State. National weekly incidence is now a fraction of the February–March peak.
8 июня 2026 г.
- СМИJos, PlateauNigeria
Nigerian media report a renewed Lassa fever cluster in Plateau State (Lineage III), with 13 confirmed cases and 4 deaths around Jos, keeping the north-central focus active into June.
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1 июня 2026 г.
- ОфициальныеBauchiNigeria
NCDC situation report, epi week 23: 14 new confirmed cases and 3 deaths in Bauchi State as the outbreak settles into the mid-year endemic tail.
25 мая 2026 г.
- ОфициальныеMakurdi, BenueNigeria
NCDC situation report, epi week 22: 18 new confirmed cases and 5 deaths in Benue State, one of the last north-central states to decline as the dry season ends.
18 мая 2026 г.
- ОфициальныеBenin City, EdoNigeria
NCDC situation report, epi week 21: 20 new confirmed cases and 5 deaths in Edo State as the season eases toward the wet-season low-transmission baseline.
11 мая 2026 г.
- ОфициальныеAkure, OndoNigeria
NCDC situation report, epi week 20: 22 new confirmed cases and 4 deaths in Ondo State. The improving case fatality ratio reflects earlier presentation and ribavirin treatment at the Owo and Akure centres.
4 мая 2026 г.
- ОфициальныеJalingo, TarabaNigeria
NCDC situation report, epi week 19: 12 new confirmed cases and 4 deaths in Taraba State as national incidence continues its post-peak decline into May.
27 апреля 2026 г.
- ОфициальныеBauchiNigeria
NCDC situation report, epi week 18: 20 new confirmed cases and 5 deaths in Bauchi State as the north-eastern cluster winds down toward the wet-season transition.
24 апреля 2026 г.
- ОфициальныеAbakaliki, EbonyiNigeria
NCDC situation report, epi week 17: 16 new confirmed cases and 5 deaths in Ebonyi State (Lineage III), managed at AE-FUTHA Abakaliki as the south-eastern focus continues at a lower level.
20 апреля 2026 г.
- ОфициальныеIrrua, EdoNigeria
NCDC situation report, epi week 17: 34 new confirmed cases and 9 deaths in Edo State. ISTH admissions ease from the peak but Edo stays among the two highest-burden states of the season.
17 апреля 2026 г.
- ОфициальныеAbuja, FCTNigeria
NCDC situation report, epi week 16: 12 new confirmed cases and 4 deaths in the Federal Capital Territory, several linked to travel from endemic states. Lineage assignment is pending sequencing at the NCDC National Reference Laboratory in Abuja.
13 апреля 2026 г.
- ОфициальныеOwo, OndoNigeria
NCDC situation report, epi week 15: 38 new confirmed cases and 8 deaths in Ondo State. Incidence is declining from the February–March peak but Ondo continues to lead the national count.
10 апреля 2026 г.
- ОфициальныеLafia, NasarawaNigeria
NCDC situation report, epi week 15: 16 new confirmed cases and 6 deaths in Nasarawa State, centred on Lafia. The north-central cluster is genotyped as Lassa virus Lineage III.
6 апреля 2026 г.
- ОфициальныеJalingo, TarabaNigeria
NCDC situation report, epi week 14: 22 new confirmed cases and 7 deaths in Taraba State as the peak eases; case fatality remains elevated in the north-east.
30 марта 2026 г.
- ОфициальныеMakurdi, BenueNigeria
NCDC situation report, epi week 13: 28 new confirmed cases and 8 deaths in Benue State, the last week of the season's peak before national incidence begins to decline.
27 марта 2026 г.
- СМИLokoja, KogiNigeria
Nigerian media (The Guardian Nigeria) reports a Lassa fever cluster in Kogi State, with 14 confirmed cases and 4 deaths around Lokoja, ahead of the corresponding NCDC weekly report. State health authorities activate contact tracing in the affected LGAs.
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23 марта 2026 г.
- ОфициальныеBauchiNigeria
NCDC situation report, epi week 12: 30 new confirmed cases and 8 deaths in Bauchi State as the dry-season peak begins to plateau nationally.
16 марта 2026 г.
- ОфициальныеBenin City, EdoNigeria
NCDC situation report, epi week 11: 40 new confirmed cases and 10 deaths in Edo State, with transmission broadening from Irrua toward Benin City and the Oredo and Esan Central LGAs.
13 марта 2026 г.
- ОфициальныеJos, PlateauNigeria
NCDC situation report, epi week 10: 18 new confirmed cases and 5 deaths in Plateau State, centred on Jos. The north-central Plateau cluster is genotyped as Lassa virus Lineage III.
11 марта 2026 г.
- ОфициальныеLondonUnited Kingdom
A returning traveller from Nigeria is confirmed with Lassa fever in England and transferred to a high-consequence-infectious-disease (HCID) unit at the Royal Free Hospital, London. UKHSA traces contacts as a precaution and reports no secondary transmission; imported Lassa cases in Europe historically remain isolated.
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9 марта 2026 г.
- ОфициальныеAkure, OndoNigeria
NCDC situation report, epi week 10: 46 new confirmed cases and 9 deaths in Ondo State, with the burden shifting toward Akure and Akure South LGAs. Ondo remains the highest-cumulative-burden state of the season.
6 марта 2026 г.
- ОфициальныеAbakaliki, EbonyiNigeria
NCDC situation report, epi week 9: 24 new confirmed cases and 7 deaths in Ebonyi State, managed at the Alex Ekwueme Federal University Teaching Hospital Abakaliki (AE-FUTHA). Sequencing assigns the Ebonyi cluster to Lassa virus Lineage III.
2 марта 2026 г.
- ОфициальныеJalingo, TarabaNigeria
NCDC situation report, epi week 9: 30 new confirmed cases and 9 deaths in Taraba State, which continues to record one of the season's highest case fatality ratios.
27 февраля 2026 г.
- ОфициальныеGombeNigeria
NCDC situation report, epi week 8: 20 new confirmed cases and 6 deaths in Gombe State, extending the north-eastern cluster beyond Bauchi.
23 февраля 2026 г.
- ОфициальныеBauchiNigeria
NCDC situation report, epi week 8: 34 new confirmed cases and 9 deaths in Bauchi State as the north-eastern focus intensifies through the dry-season peak.
19 февраля 2026 г.
- ОфициальныеFrankfurtGermany
ECDC communicable-disease threats report: a traveller returning to Germany from eastern Nigeria is confirmed with Lassa fever and treated in the high-level-isolation unit at Frankfurt University Hospital. Contact tracing of flight and household contacts finds no secondary cases; ECDC assesses the risk to the EU/EEA as very low.
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16 февраля 2026 г.
- ОфициальныеIrrua, EdoNigeria
NCDC situation report, epi week 7: 44 new confirmed cases and 11 deaths in Edo State. Two healthcare workers at ISTH are among the confirmed cases, prompting a review of infection-prevention-and-control practices; WHO AFRO notes Edo and Ondo remain the twin epicentres.
11 февраля 2026 г.
- ОфициальныеMakurdi, BenueNigeria
NCDC situation report, epi week 6: 24 new confirmed cases and 7 deaths in Benue State, centred on Makurdi. Benue joins the five highest-burden states as the north-central focus widens.
9 февраля 2026 г.
- ОфициальныеOwo, OndoNigeria
NCDC situation report, epi week 6: Ondo peaks at 52 new confirmed cases and 10 deaths as the dry-season transmission crests, the single largest weekly state increment of the season. NCDC deploys a rapid response team and additional ribavirin stocks to Owo.
2 февраля 2026 г.
- ОфициальныеJalingo, TarabaNigeria
NCDC situation report, epi week 5: 26 new confirmed cases and 8 deaths in Taraba State, centred on Jalingo. Taraba's case fatality ratio runs above the national average, straining the Federal Medical Centre Jalingo treatment capacity.
26 января 2026 г.
- ОфициальныеBauchiNigeria
NCDC situation report, epi week 4: 22 new confirmed cases and 5 deaths in Bauchi State, extending the outbreak into the north-east. Abubakar Tafawa Balewa University Teaching Hospital activates its Lassa isolation ward.
19 января 2026 г.
- ОфициальныеIrrua, EdoNigeria
NCDC situation report, epi week 3: 30 new confirmed cases and 8 deaths in Edo State, the bulk admitted to the Irrua Specialist Teaching Hospital Lassa treatment centre — confirming the late-December ISTH signal. Edo and Ondo together account for over half of national cases this week.
12 января 2026 г.
- ОфициальныеOwo, OndoNigeria
NCDC Lassa fever situation report, epi week 2: 28 new confirmed cases and 6 deaths in Ondo State, most in Owo and Ose LGAs, managed at the Federal Medical Centre Owo isolation ward. Ondo opens the season as one of the highest-burden states.