2018 Lassa Fever Outbreak in Nigeria: NCDC Situation Report #19 - 13 May 2018



  • In the reporting Week 19 (May 07-13, 2018) five new confirmediI cases were reported from three states -Edo(1), Ebonyi (1) and Ondo (3) with one new death in Ondo state

  • From 1st January to 13th May 2018, a total of 1914 suspectedi cases have been reported from 21 states. Of these, 428 were confirmed positive, 10 are probable, 1468 negative (not a case) and 8 samples are awaiting laboratory result (pending)

  • Since the onset of the 2018 outbreak, there have been 107 deaths in confirmed cases, 10 in probable cases. Case Fatality Rate in confirmed cases is 25.0%

  • 21 states have recorded at least one confirmed case across 70 Local Government Areas (Edo, Ondo, Bauchi, Nasarawa, Ebonyi, Anambra, Benue, Kogi, Imo, Plateau, Lagos, Taraba, Delta, Osun, Rivers, FCT, Gombe, Ekiti, Kaduna, Abia and Adamawa). Seventeen states have exited the active phase of the outbreak while four- Edo, Ondo, and Ebonyi, Taraba States remain activeiv - Figure 1

  • In the reporting week 19, one new healthcare worker was infected with one death. Thirty-eight health care workers have been affected since the onset of the outbreak in eight states –Ebonyi (16), Edo (12), Ondo (4), Kogi (2), Benue (1), Nasarawa (1), Taraba (1), and Abia (1) with nine deaths in Ebonyi (6), Kogi (1), Abia (1) and Ondo (1)

  • 81% of all confirmed cases are from Edo (42%) Ondo (23%) and Ebonyi (16%) states

  • Seven cases are currently being managed in three treatment centres across the country

  • A total of 5241 contacts have been identified from 21 states. Of these 292(5.6%) are currently being followed up, 4938(94.2%) have completed 21 days follow up while 11(0.2%) were lost follow up. 82 symptomatic contacts have been identified, of which 28 (36%) have tested positive from five states (Edo-13, Ondo-8, Ebonyi-3, Kogi -3 and Bauchi-1)

  • National RRT team (NCDC, WHO and NFELTP residents) batch D continues to support response in Ebonyi and Ondo states

  • Emergency phase of national Lassa fever outbreak has been declared over by the Honourable Minster for Health Prof Isaac Adewole during a press briefing on 10th May 2018. National Lassa fever multi-partner, multi-agency Emergency Operations Centre (EOC) reverts to Technical Working Group(TWG) and continues to coordinate the response activities at all levels.