Weekly Epidemiological Report

August 2023 Week 33

Editoral

Weekly updates on epidemics in Nigeria: as at 20th August, 2023

Posted: 26-05-2024 04:41:56 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 82 suspected cases of Lassa Fever reported from 11 LGAs in seven states and FCT. There were nine laboratory confirmed cases in three states and two deaths were recorded.

Actions

To date:

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

• De-escalation of the Lassa Fever EOC

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

• Dissemination of reviewed IPC guideline, Health facility IPC advisory and Healthcare worker advisories


Cerebrospinal Meningitis (CSM)

Key points

• There was one suspected case of Cerebrospinal meningitis (CSM) reported from one LGA in Ebonyi 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.

• Continued data collation and harmonisation.

• Enhanced surveillance (active case search and contact tracing) in affected states and LGAs


Yellow Fever (YF)

Key points

• There were 29 suspected cases of Yellow Fever (YF) reported from 26 LGAs in 13 states. There was no laboratory confirmed case and no 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 was one suspected case of Cholera reported from one LGA in Adamawa state. There was no laboratory confirmed case and one death was 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.

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


Measles

Key points

• There were 23 suspected cases of Measles reported from 13 LGAs in nine states. There were two laboratory confirmed cases 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.

• Continue monthly measles surveillance data review.


Mpox

Key points

• There were eight suspected cases of Mpox reported from seven LGAs in six 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.

• Ongoing weekly surveillance and laboratory data harmonisation.

• Ongoing monthly Mpox surveillance data review.


Acute Flaccid Paralysis (AFP)

Key points

• There were 65 suspected cases of AFP reported from 51 LGAs in 24 states. There was no laboratory confirmed case and no death was recorded.


National Influenza Sentinel Surveillance


Coronavirus Disease (COVID-19)

Key points

• There were 14 suspected case of COVID-19 reported from two LGA in two states. There was no laboratory confirmed case 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 118 suspected cases of Diphtheria reported from 14 LGAs in two states. There were 104 confirmed cases, and one death was recorded.

Actions

To date

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

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

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


Event Based Surveillance (EBS)

Key points

For the reporting week 33:

• 247 Calls were successfully routed to agents and answered

• 144 calls not routed to agents (Failed call)

• 391 total number of calls (successful and failed)

• Percentage of failed to total inbound calls 36.8%

• 0 signal picked

For week 1 - 33

• 12,466 calls successfully routed to agents and answered

• 2,887 calls not routed to agents (Failed call)

• 15,353 total inbound calls recorded

• Percentage of failed to total inbound calls: 18.8%

• 22 Signals picked and escalated to 36 states and FCT

Categories of Calls

• Report of health conditions such as diphtheria and anthrax

• Health Declaration-related queries

• Yellow Fever Vaccine enquiries

• Travel advisory enquiries

• TB-related enquiries

• COVID-19 vaccine enquiries

• General enquiries

• Hoax call and others

Highlight of the week

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

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