Weekly Epidemiological Report

Summary of Incidents

Ongoing Incidents are defined as confirmed cases where a national EOC or equivalent has been activated (EOC is currently activated for Cerebrospinal meningitis and Measles).

Other incidents are those confirmed cases for which EOC is not activated.

Notes

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. Information for this disease was retrieved from IDSR 002 data

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

5. Information for sentinel influenza was retrieved from the laboratory.

Lassa Fever

Key points

• There were 52 suspected cases of Lassa Fever were reported from 20 LGAs in 13 states (Edo - 12, Ondo - 19, Ebonyi - 3, Bauchi - 1, Taraba - 5, FCT - 1, Adamawa - 1, Kaduna -1, Kogi - 3, Enugu - 1, Oyo - 3, Cross River – 1 & Borno - 1). Of these, 11 were laboratory confirmed and four deaths recorded.

Actions

To date:

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

• Multi sectoral one health national rapid response teams (NCDC, NFELTP and FMoH) deployed to Kebbi State

• Outbreak emergency phase declared over based on composite indicators.

Planned:

• Support FMoE to conduct LF National Environmental Response (Community rodent control, hygiene promotion) in collaboration with WHO

• Support indigent patients with treatment cost through Basic Health Care Provision Funds

• Harmonisation of LF laboratory and surveillance data into one database platform – ongoing.

Cerebrospinal Meningitis (CSM)

Key points

• There were 47 suspected cases of Cerebrospinal Meningitis reported from 32 LGAs in 15 States (Bauchi – 2, Bayelsa – 2, Borno – 2, Cross River – 7, Ebonyi – 2, Jigawa – 5, Kaduna – 1, Katsina – 11, Kebbi - 2, Nasarawa – 1, Niger – 1, Plateau – 4, Rivers – 3, Sokoto – 2, Zamfara - 2). Of these, none was laboratory confirmed and no death was recorded.

Actions

To date:

• The National CSM EOC meets weekly to review the situation

• Vaccination against CSM ongoing in Katsina (Karfi & Narma); Vaccine sent - 33,860 doses

• Training of other prioritized States on CSM case management, sample and data management.

Planned:

• Intensify surveillance in all States by providing onsite/offsite support

• Continued engagement with Sokoto State on Lumbar puncture training for Clinicians.

Yellow Fever

Actions

To date:

• A multiagency Yellow fever TWG is coordinating the response activities

• On-site support provided by NCDC Rapid Response Teams (RRTs) to Kwara, Kogi, Plateau, Kebbi, Kano, Katsina, Edo, Ekiti, Rivers, Anambra, Benue, Nasarawa, Abia, Imo and Osun States

• Off-site support provided to Ondo and Delta States.

Planned:

• Operationalisation of the three new laboratories added to the YF Laboratory network

• Yellow fever outbreak after action review (AAR) meeting is being planned for 18th -20th June, 2019

• Review of the first draft of the national yellow fever guidelines

• Follow up with the NPHCDA on the yellow fever reactive vaccination campaign pre-implementation activities in the approved States and their respective LGAs

• Post simulation exercise feedback to stakeholders.

Cholera

Key points

There were 47 suspected cases of cholera reported from five LGAs in two States (Bayelsa – 41, & Kano – 6). None was laboratory confirmed and no death recorded.

Actions

To date:

• NCDC cholera Technical Working Group (TWG) continues to coordinate cholera activities in States collaborating with FMWR and support from partners

• TWG meets bi-weekly to review activities, reports from states and plan on new strategies

• 2019 National Preparedness and response Plan developed

• Review stock of cholera response commodities.

Planned:

• Continuous monitoring of States

• Assessment of States’ level preparedness and prepositioning of resources

• Dissemination of Cholera advisories to Health workers and communities

• Meeting on preparedness/validation of the 2019 preparedness plan.

Measles

Key points

• There were 2157 suspected cases reported from 34 States and FCT. None was laboratory confirmed and nine deaths were recorded.

Actions

To date:

• The multi-agency National Measles EOC is monitoring and coordinating response activities across the States

• Weekly teleconference with Borno, Yobe, Adamawa and Katsina States

• Phase II reactive measles vaccination ongoing in Borno State

• Media messages have been developed and disseminated across social and conventional media.

Planned:

• Review of reports from RRTs deployed to Borno, Katsina, Adamawa and Yobe States

• Follow up on the ongoing Phase II reactive vaccination in Borno State.

Monkey pox

Key points

• Four new suspected cases were reported (Cross River 1, Lagos 1, Zamfara 1, Delta 1). The case from Delta was exported to Singapore.Three cases were confirmed (Cross River 1, Lagos 1, Delta 1) and the Zamfara case was inconclusive.

Actions

To date:

• Enhanced surveillance ongoing in affected States

• Deployment of RRT to Oyo State to support case investigation and contact tracing.

Planned:

• Deployment of RRT to Bayelsa, Cross River, Delta and Lagos States

• Supportive supervision to silent States.

Acute Flaccid Paralysis (AFP)

Key points

• In the reporting week, 155 suspected cases of AFP were reported from 134 LGAs in 31 States and FCT

• As at 5th May, 2019, no new case of WPV was recorded

• The last reported case of polio in Nigeria was in August 2016.

Actions

To date:

• Documentation for certification ongoing in states.

Planned:

• Complete Documentation report review mission by International Support Team (West Africa) slated for 20th – 24th May, 2019.

• Outbreak response (OBR) targeted at the South west States from 18th – 24th May, 2019.

National Influenza Sentinel Surveillance

Key points

• The predominant Influenza A subtype so far this year is A seasonal H3 19 (95%).

• The predominant Influenza B subtype so far this year is B not subtyped 2(100%).

• The percentage influenza positive was highest (100.0%) in week 8.