Weekly Epidemiological Report

November 2023 Week 46

Editoral

Weekly updates on epidemics in Nigeria; as at 19th November,2023

Posted: 27-09-2024 02:20:38 PM

Summary of Incidents

1. Information for this disease was retrieved from the Technical Working Group and Situation Reports

2. Case Fatality Rate (CFR) for this disease is reported for confirmed cases only

3. CFR for this disease is reported for total cases i.e. suspected + confirmed

4. Information for sentinel influenza was retrieved from the laboratory


Lassa Fever

Key points

1. There were 125 suspected cases of Lassa Fever reported from 21 LGAs in 16 states. There were 17 laboratory confirmed cases reported from seven LGAs in four states and two deaths were recorded.

Actions

To date:

1. National Lassa fever multi-partner, multi-sectoral Technical Working Group (TWG) continues to coordinate the response activities at all levels

2. Activation of the Lassa Fever EOC

3. Deployed NRRT to 6 states – Bauchi, Benue, Ebonyi, Edo, Ondo & Taraba

4. Participated in National Enhanced Situational Awareness (ESA) Project Implementation Workshop

5. Conducted the first Lassa fever webinar series

6. Utilizing LISTEN for Lassa Fever Control


Cerebrospinal Meningitis (CSM)

Key points

? There were four cases of Cerebrospinal meningitis (CSM) reported from four LGAs in four states. There was no laboratory confirmed case and no death was reported.

Actions

To date:

1. National CSM TWG meets weekly to review reports from states and plan appropriately.

2. Monitoring of epidemiological trend to guide plans for reactive vaccination campaigns,

3. Implementation of CSM reactive vaccination campaign in high burden LGAs/Wards in Jigawa state led by NPHCDA.

4. Enhanced surveillance (active case search and contact tracing) in affected states and LGAs,

5. Deployment of SORMAS application to secondary and tertiary HFs


Yellow Fever

Key points

1. There were 72 suspected cases of Yellow Fever (YF) reported from 21 LGAs in 29 states. There was no laboratory confirmed case and one death was recorded.

Actions

To date:

1. National YF multi-partner Technical Working Group (TWG) continues to coordinate activities across states.

2.Daily monitoring and analysis of surveillance data across the country to guide response activities.


Cholera

Key points

1. There were five suspected cases of Cholera reported from four LGAs in four states. There was one laboratory confirmed case and one death was recorded

Actions

To date

1. National Cholera Multi-Sectoral Technical Working Group (TWG) is monitoring all states and supporting affected states.

2. Ongoing surveillance in all states through the routine Integrated Disease Surveillance and Response (IDSR) and Event Based Surveillance (EBS).

3. Continuous construction of sanitation and hygiene facilities with boreholes in cholera hotspots • Conducted WASH Sector review workshop.

4. Cholera surveillance evaluation across states.

5. Continue advocacy to State Governments to increase funding in WASH infrastructure.

6. Continue review of the National Cholera Plan.


Measles

Figure 9: Number of suspected and confirmed cases of Measles, Nigeria, weeks 1 – 46, 2023.

Figure 10: Location of suspected cases of Measles by State, Nigeria, week 46, 2023

Key points

? There were 104 suspected cases of Measles reported from 82 LGAs in 19 states. There were 15 laboratory confirmed cases and no death was recorded.

Actions

To date

1. National Measles TWG is closely monitoring measles surveillance data and providing feedback to relevant agencies and development partners.

2. Ongoing weekly surveillance and laboratory data harmonisation.

3. Continue monthly measles surveillance data review.


Acute Flaccid Paralysis (AFP)

Key points

1.There were 42 suspected cases of AFP reported from 23 LGAs in 22 states. There was no laboratory confirmed case and no death was recorded


National Influenza Sentinel Surveillance


Coronavirus Disease (COVID-19)

Key points

1. There was no case reported for the week.

Actions

To date:

1. Multi-sectoral Public Health Emergency Operation Centres (PHEOC) activated at the National and affected States

2. Engagement meetings with state teams on the ongoing response, Sitrep reporting and Ag-RDT data harmonization, challenges, and way forward.

3. Mainstreaming of COVID-19 response activities into routine public health interventions such as surveillance, risk communication, testing etc.

4. Begin implementation of the testing strategy to increase RDT uptake

5. Continue to monitor global trends on COVID-19.

6. Enhance surveillance at points of entry.


Diphtheria

Key points

1. There were 121 suspected cases of Diphtheria reported from 18 LGAs in four states. There were 82 confirmed cases, and no death was recorded.

Actions

To date

1. National Diphtheria Technical Working Group (TWG) is monitoring activities in all states.

2. Harmonisation of surveillance and laboratory data from across states and laboratories.

3. Provision of off-site surveillance support to affected States.


Event Based Surveillance (EBS)

Highlight of the week

  • Summary of Incidents
  • Lassa Fever
  • Cerebrospinal Meningitis (CSM)
  • Yellow Fever
  • Cholera
  • Measles
  • Acute Flaccid Paralysis (AFP)
  • National Influenza Sentinel Surveillance
  • Coronavirus Disease (COVID-19)
  • Diphtheria
  • Event Based Surveillance (EBS)

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