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Nigeria: 2024 Lassa Fever

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  • #31

    Nigeria recorded 806 cases, 150 deaths from Lassa fever in 3 months
    April 13, 2024

    A situation report by the Nigeria Centre for Disease Control and Prevention (NCDC) revealed that 806 cases of Lassa fever were recorded across the country in the first quarter of 2024.

    Also, the virus killed 150 people within the period, the NCDC report published on its website and analysed by The ICIR showed.

    By calculation, this is an average of nine cases and two deaths reported daily within the first 13 weeks of 2024.​..

    ...From Week 1 to 13, the case fatality rate (CFR) of Lassa fever rose 18.6 per cent. This is higher than the CFR for the same period in 2023 (17.5 per cent).

    The states with the highest reported cases are Ondo, Edo, Bauchi and Taraba states, with 192, 179, 127 and 95 cases, respectively.

    However, the death rates were predominant in Bauchi state (28 deaths), Kogi state (24 deaths) and Edo state (23 deaths).

    According to the NCDC, “27 states have recorded at least one confirmed case across 125 Local Government Areas in 2024. 62 per cent of all confirmed cases were recorded from Ondo, Edo, and Bauchi, with Ondo State accounting for 24 per cent, Edo 22 per cent, and Bauchi 16 per cent.”

    According to the report, 32 health workers were infected within the first quarter...


    • #32

      Nigeria: Nigeria Lassa Fever outbreak - DREF Operation n° NDRNG038
      Format Situation Report
      Source IFRC
      Posted 16 Apr 2024
      Originally published 16 Apr 2024

      What happened, where and when?

      The Lassa Fever outbreak in Nigeria keeps escalating with a cumulative 5,295 cases since week 1 of 2024, 150 deaths have been recorded so far, 806 confirmed cases include 32 healthcare workers affected in 27 states including the FCT. The worst affected states are Bauchi,
      Taraba, Edo, Ondo, Plateau, Benue, Cross River, Rivers, Anambra, and Ebonyi States with 125 local government areas.​..


      • #33

        Lassa fever: NCDC records 832 cases, 152 deaths in four months
        22nd April 2024​
        By Lara Adejoro

        The Nigeria Centre for Disease Control and Prevention says it recorded 5,669 suspected Lassa fever cases and 152 deaths with a Case Fatality Rate of 18.3 per cent.

        This is according to the Lassa fever situation report posted by the NCDC on its website on Monday.

        The NCDC said 832 cases were confirmed from the suspected cases from 27 states across 126 Local Government Areas from January to April 14, 2024....


        • #34

          Lassa Fever: 156 dead as NCDC confirms 857 cases across Nigeria in four months
          NCDC said that despite efforts to combat the Lassa fever outbreak, challenges have persisted.
          News Agency of Nigeria • May 10, 2024​

          The Nigeria Centre for Disease Control and Prevention (NCDC) has confirmed 857 cases of Lassa fever, with 156 deaths across 28 states from January to April 28.

          The centre, via its official website, noted that the case fatality rate (CFR) stands at 18.2 per cent, which is higher than the 2023 rate of 17.0 per cent within the same period under review.

          In Nigeria, Lassa fever is characterised by yearly outbreaks, typically during the dry season.

          “The report for week 17, covering April 22 to 28, highlighted a worrisome increase in confirmed cases from 11 to 14, compared to the previous week.

          “Notably, 63 per cent of confirmed cases in 2024 was concentrated in Ondo, Edo, and Bauchi states, while the remaining 37 per cent was reported from 25 states,” it said.

          The centre said that despite efforts to combat the disease outbreak, challenges have persisted, including late presentation of cases and poor health-seeking behaviour due to the cost of treatment, which contributes to the high CFR.

          According to NCDC, bad environmental sanitation and low awareness in high-burden communities have worsened the situation.​..


          • #35

            Week 19: 06 to 12 May 2024
            Data as reported by: 17:00; 12 May 2024



            Lassa Fever

            6 226 Cases
            883 Confirmed
            160 Deaths
            18.1% CFR


            The ongoing Lassa fever outbreak in Nigeria has
            shown a sustained downward trend in the number of
            new suspected cases and deaths from epidemiological
            week 9 (ending on 3 March 2024) to week 19 (ending
            on 12 May 2024). In epidemiological week 19, 120
            suspected cases, including 14 confirmed cases and
            3 deaths, were reported from Ondo, Edo, and Bauchi

            Since the start of the year, Nigeria recorded 6 226
            suspected cases, 883 confirmed cases, and 160
            deaths among confirmed cases. These cases have
            been reported from 125 local government areas in
            28 states nationwide. Notably, 64.0% of all confirmed
            Lassa fever cases were reported from three states:
            Ondo, Edo, and Bauchi, while the remaining 36% were
            reported from 25 states with confirmed Lassa fever
            cases. Ondo reported majority of the confirmed cases,
            25.0% among the three states, followed by Edo 22.0%,
            and Bauchi 17.0%.

            The predominant age group affected is 21-30 years
            (Range: 1 to 98 years, Median Age: 32). The maleto-female
            ratio for confirmed cases is 1:1.Since the beginning
            of the outbreak, 33 healthcare workers have
            been reported as affected. However, no new cases
            among healthcare workers were reported in week 19.
            Currently, 87 contacts are under follow-up.

            Lassa Fever is endemic in Nigeria, with cases
            occurring mainly during the dry season from November
            to March. This may explain the recent decline in the
            number of new confirmed cases notified starting
            from epidemiological week 10 (the week ending on
            10 March 2024).


            The national Lassa fever multi-partner and multisectoral
            Incident Management system, which
            operates from the Emergency Operations Centre,
            was promptly activated. This system is designed to
            coordinate response at all levels.

            Laboratory activities are ongoing and include testing
            of all suspected Lassa fever cases nationwide and
            external Quality Assurance preparation for all testing

            Ongoing case management activities include
            providing medical treatment to confirmed cases at
            designated treatment centres nationwide, distributing
            reviewed case management and safe burial
            practices guidelines, distributing oral Ribavirin,
            PPE, body bags, hypochlorite, thermometers, and
            other essential supplies to hot-spot states, and
            review of the LF case management screening tool.

            As part of Infection and Prevention control
            (IPC) measures, the following activities were
            implemented: training volunteers and sensitising
            frontline Healthcare workers to IPC to increase the
            index of suspicion for LF; and implementing IPC
            Programs at designated treatment centers and
            health facilities through continuous preparedness,
            readiness, and response activities. Off-site support
            on IPC and safe burial is done in affected states.

            Risk communication and community engagement
            activities are ongoing, including sensitization on
            LF across affected states, media interviews for
            updates on the Lassa fever outbreak response,
            and dissemination of media content, including
            press releases, tweets, public advisories, etc.


            The current Lassa Fever outbreak in Nigeria is gradually
            declining. Besides the ongoing response activities,
            the change in seasonality may explain the observed
            improvement. To sustain the level of control on this
            outbreak, addressing several challenges impeding
            response efforts is crucial, including poor environmental
            sanitation, low awareness in high-burden communities,
            late presentation of cases leading to increased CFR,
            and poor health-seeking behaviour. A multidisciplinary
            one-health approach is critical, incorporating enhanced
            surveillance, community engagement, robust treatment
            protocols, and strengthened IPC measures. Continued
            support from national and international partners is
            necessary to address these challenges comprehensively.

            This Weekly Bulletin focuses on public health emergencies occurring in the WHO African region. This week’s articles cover: Mpox in the WHO African Region Lassa Fever in Nigeria
            "Safety and security don't just happen, they are the result of collective consensus and public investment. We owe our children, the most vulnerable citizens in our society, a life free of violence and fear."
            -Nelson Mandela


            • #36

              Lassa Fever: Nigeria records 10 cases in one week
              NCDC noted that the number of confirmed cases increased from four in week 20 to 10 in the reporting week.
              byLeshi James
              June 7, 2024
              Reading Time: 1 mins read

              Nigeria has recorded 10 cases of Lassa fever across four states in one week, spanning 20 to 26 May.

              The Nigeria Centre for Disease Control and Prevention (NCDC) revealed this in its latest Lassa fever situation report for week 21.

              NCDC noted that the number of confirmed cases increased from four in week 20 to 10 in the reporting week, adding that the number of suspected cases increased compared to that reported for the same period in 2023.

              Cumulatively, Nigeria has recorded 897 confirmed cases and 162 deaths in 2024 with a case fatality rate (CFR) of 18.1 per cent, which is higher than the CFR for the same period in 2023 (17.1 per cent).

              More Details

              According to NCDC, 28 states have confirmed, at least, one case across 125 local government areas (LGA) in 2024.

              It noted that 65 per cent of the confirmed cases were recorded from four states: Ondo, Bauchi, Edo and Plateau, while 35 per cent was reported from 25 states.​..