Weekly Epidemiological Report

August 2023 Week 35

Editoral

Weekly updates on epidemics in Nigeria: as at 3rd September, 2023

Posted: 03-06-2024 04:51:19 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

• There were 109 suspected cases of Lassa Fever reported from 38 LGAs in 14 states and FCT. There were six laboratory confirmed cases from two states and no death was recorded.

Actions

To date:

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

• Conducted the 2023 Lassa Fever After Action Review

• 1st Draft of protocol for identification and management of LF in pregnant women completed

• Piloting of Epidemic Ready Primary Health Care (ERPHC) program in two states


Cerebrospinal Meningitis (CSM)

Key points

• There was one suspected case of Cerebrospinal meningitis (CSM) reported from one LGA in one state. There was no laboratory confirmed case and no death was recorded.

Actions

To date:

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

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

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


Yellow Fever

Key points

• There were 47 suspected cases of Yellow Fever (YF) reported from 33 LGAs in 17 states. There was no laboratory confirmed case and one death was recorded.

Actions

To date:

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

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


Cholera

Key points

• There were 76 suspected cases of Cholera reported from five LGAs in five states. There were three laboratory confirmed cases and four deaths were recorded.

Actions

To date

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

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

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


Measles

Key points

• There were 15 suspected cases of Measles reported from 15 LGAs in ten states. There were three laboratory confirmed case and no death was recorded.

Actions

To date

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

• Ongoing weekly surveillance and laboratory data harmonisation.


Mpox

Key points

• There were four suspected cases of Mpox reported from three LGAs in three states. There was no laboratory confirmed case and no death was recorded.

Actions

To date

• National Mpox Technical Working Group (TWG) is monitoring activities in all states.


Acute Flaccid Paralysis (AFP)

Key points

• There were 16 suspected cases of AFP reported from 13 LGAs in 11 states. There was no laboratory confirmed case and no death was recorded.


National Influenza Sentinel Surveillance


Coronavirus Disease (COVID-19)

Key points

• There were 7525 suspected cases of COVID-19 reported from 19 LGAs in three states. There were 1085 laboratory confirmed cases and no death was recorded.

Actions

To date:

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

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

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


Diphtheria

Key points

• There were 667 suspected cases of Diphtheria reported from 18 LGAs in three states. There were 553 confirmed cases and four deaths were recorded.

Actions

To date

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


Event Based Surveillance (EBS)

Key points

For the reporting week 35:

• 624 Calls were successfully routed to agents and answered.

• 144 calls not routed to agents (Failed call)

• 768 total number of calls (successful and failed)

• Percentage of failed to total inbound calls 18.8%

• 0 signal picked

For week 1 - 35

• 12,969 calls successfully routed to agents and answered.

• 3,281 calls not routed to agents (Failed call)

• 16,250 total inbound calls recorded.

• Percentage of failed to total inbound calls: 20.2%

• 22 Signals picked and escalated to 36 states and FCT

Categories of Calls

• Report of health conditions such as diphtheria and anthrax

• Health Declaration form-related queries

• Inquiries on Yellow Fever Vaccine

• Request on travel advisory for COVID-19, Anthrax,

• Inquiries on Tuberculosis treatment

• General inquiries

• Hoax call and others

Highlight of the week

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

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