Weekly Epidemiological Report

August 2023 Week 32

Editoral

Weekly updates on epidemics in Nigeria: as at 13th August, 2023

Posted: 26-05-2024 04:09:09 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 94 suspected cases of Lassa Fever reported from 15 LGAs in nine states and FCT. There were five laboratory confirmed cases in two states and one 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

? Carried out Joint Lassa Fever Case Management/ IPC training

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

? Distribution of response commodities -PPEs, Ribavirin (injection and tablets) body-bags, thermometers, hypochlorite hand sanitizers, IEC materials distributed to states and treatment centres

? Implementation of Nigeria Lassa fever epidemiological Study supported by CEPI


Cerebrospinal meningitis (CSM)

Key points

? There were three suspected cases of Cerebrospinal meningitis (CSM) reported from three LGAs in three states. 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 (YF)

Key points

? There were 48 suspected cases of Yellow Fever (YF) reported from LGAs in 16 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.

? Supporting implementation of yellow fever preventive mass vaccination campaigns in Jigawa

? Optimization of Yellow fever reference laboratory in at University of Maiduguri Teaching Hospital (UMTH) Maiduguri


Cholera

Key points

? There were three suspected cases of Cholera reported from two LGAs in two states. 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.


Measles

Key points

? There were 92 suspected cases of Measles reported from 32 LGAs in 18 states. There were four laboratory confirmed cases and one 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 14 suspected cases of Mpox reported from eight LGAs in five states and FCT. 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.


Acute Flaccid Paralysis (AFP)

Key points

? There were 97 suspected cases of AFP reported from 42 LGAs in 29 states. There was no laboratory confirmed case and no death was recorded.


National Influenza Sentinel Surveillance


Coronavirus Disease (COVID-19)

Key points

• There was one suspected case of Covid 19 reported from one LGA in Kaduna state. 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.

• Continue harmonisation of surveillance and laboratory data


Diphtheria

Key points

• There were 78 suspected cases of Diphtheria reported from 18 LGAs in five states. There were 12 confirmed cases, and two deaths were recorded.

Actions

To date

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


Event Based Surveillance (EBS)

For the reporting week 32:

• 159 Calls were successfully routed to agents and answered.

• 249 calls not routed to agents (Failed call)

• 408 total number of calls (successful and failed)

• Percentage of failed to total inbound calls 61.0%

• 1 diphtheria signal picked and escalated

For week 1 – 32

• 12,219 calls successfully routed to agents and answered

• 2,743 calls not routed to agents (Failed call)

• 14,962 total inbound calls recorded.

• Percentage of failed to total inbound calls: 18.3%

• 22 Signals picked and escalated to 36 states and FCT

Categories of Calls

• Report of health conditions

• Health Declaration-related queries

• Yellow Fever Vaccine enquiries

• Travel advisory enquiries

• TB related enquiries

• COVID19 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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