Weekly Epidemiological Report

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 85 suspected cases of Lassa Fever reported from 19 LGAs in eight states and FCT. There were five laboratory confirmed cases in three 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 were two suspected cases of Cerebrospinal meningitis (CSM) reported from one LGA in Kano 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 48 suspected cases of Yellow Fever (YF) reported from 40 LGAs in 17 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 were 71 suspected cases of Cholera reported from six LGAs in three states. There were four laboratory confirmed cases 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 86 suspected cases of Measles reported from 71 LGAs in 19 states. There was no 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 was no case reported for the week.

Acute Flaccid Paralysis (AFP)

Key points

• There were 1871 suspected cases of AFP reported from 121 LGAs in 35 states and FCT. There was no laboratory confirmed case and no death was recorded.

National Influenza Sentinel Surveillance

Coronavirus Disease (COVID-19)

Key points

• There were 900 suspected cases of COVID-19 reported from three LGAs in three states. There was no laboratory confirmed case and no death was recorded.

Diphtheria

Key points

• There were 763 suspected cases of Diphtheria reported from 22 LGAs in three states. There were 590 confirmed cases, and 15 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 36:

• 626 Calls were successfully routed to agents and answered

• 59 calls not routed to agents (Failed call)

• 685 total number of calls (successful and failed)

• Percentage of failed to total inbound calls 8.6%

• 4 signals picked and escalated, 1 Chikungunya in Senegal, 1 Meningococcal disease in USA, Suspected case of Measles in Kano, Suspected Case of Yellow fever in Bauchi

For week 1 – 36

• 13,595 calls successfully routed to agents and answered

• 3,340 calls not routed to agents (Failed call)

• 16,935 total inbound calls recorded

• Percentage of failed to total inbound calls: 19.7%

• 26 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

• COVID-19 vaccine enquiries

• General enquiries

• Hoax call and others