Click here to load reader

Measles Outbreak, Duazon Communities, Mamba Kaba · PDF fileMeasles Outbreak, Duazon Communities, Mamba Kaba District, ... Epicurve of Measles Outbreak, Duazon Communities, Mamba Kaba,

  • View
    222

  • Download
    0

Embed Size (px)

Text of Measles Outbreak, Duazon Communities, Mamba Kaba · PDF fileMeasles Outbreak, Duazon...

  • Liberia Field Epidemiology Training Programme (LFETP)Liberia Field Epidemiology Training Programme (LFETP)

    Miatta Kullie 1, 2, M. Amo-Addae2, T. Nagbe1, S.J.N. McNabb3, G.N. Farhat3, P.

    Adewuyi2, J. Frimpong2, H. Kazoora4

    1

    Measles Outbreak, Duazon

    Communities, Mamba Kaba District,

    Margibi County, Liberia, 2015

    1 Ministry of Health, Monrovia, Liberia2 Liberia Frontline FETP, Monrovia, Liberia3 Emory University, Atlanta, Georgia, USA4 AFENET, Kampala, Uganda

  • Liberia Field Epidemiology Training Programme (LFETP)

    Outline of Presentation

    Acknowledgement

    Introduction

    Objectives

    Methods

    Results

    Conclusion

    Pictures

    2

  • Liberia Field Epidemiology Training Programme (LFETP)

    Acknowledgement

    Margibi County Health Team

    Liberia Ministry of Health

    Emory University

    CDC

    AFENET

    WHO

    FETP Frontline Mentors

    3

  • Liberia Field Epidemiology Training Programme (LFETP)

    Introduction 1/2 Measles

    Viral disease, usually affects children aged 0 to 5

    years

    Spreads through droplet infection and direct

    contact

    Incubation period of about 7-14 days

    Vaccine is given at 9 months of age in Liberia

    4

  • Liberia Field Epidemiology Training Programme (LFETP)

    Introduction 2/2

    26th of December 2015:

    Suspected measles case from Duazon

    community was reported to District

    1st week January 2016:

    Field investigation began

    5

  • Liberia Field Epidemiology Training Programme (LFETP)

    Objectives

    Confirm the outbreak

    Describe the outbreak by person, place and time

    Determine the source of the outbreak

    Control the outbreak

    6

  • Liberia Field Epidemiology Training Programme (LFETP)

    Methods 1/2

    Duazon community,

    Margibi County, Liberia

    Population: 3,684

    Active case search

    Case definition

    any persons in Duazon

    community with fever,

    rashes, red eyes,

    coryza from Dec. 26,

    2015 to February 14,

    2016

    7

  • Liberia Field Epidemiology Training Programme (LFETP)

    Methods 2/2

    Line-listed cases

    demographic data

    signs and symptoms

    Laboratory testing of blood samples for Measles

    We conducted a descriptive analysis of the data

    8

  • Liberia Field Epidemiology Training Programme (LFETP)

    Results 1/2

    9

    Twenty-nine cases were line-listed

    Fifteen (52%) were above 5years old

    Fifteen (52%) were male

    Median Age is 5years (Range: 6months-29years)

    10 blood samples were positive for Measles 3 were vaccinated

    7 were not vaccinated

  • Liberia Field Epidemiology Training Programme (LFETP)

    Results 2/2

    Vaccination Status of the 29 cases:

    Vaccinated 4 (14%)

    Unvaccinated 22 (76%)

    Unknown 3 (10%)

    Index case

    29 year old male

    No history of contact

    No relevant travel history

    10

  • Liberia Field Epidemiology Training Programme (LFETP)

    Epicurve of Measles Outbreak, Duazon Communities, Mamba

    Kaba, Margibi County, Liberia, Dec. 26, 2015 Feb. 14, 2016

    11

    2015 20160

    2

    4

    6

    8

    10

    12

    14

    48 49 50 51 52 53 1 2 3 4 5 6 7 8

    Nu

    mb

    er

    of

    Cas

    es

    Week of Onset

    confirmed cases

    Suspected Cases

    Intervention

    Mass vaccination

    began

  • Liberia Field Epidemiology Training Programme (LFETP)

    Response

    Surveillance was maintained

    Cases were isolated and treated

    Intensive three-month vaccination outreach

    was conducted

    Routine immunization was strengthened

    12

  • Liberia Field Epidemiology Training Programme (LFETP)

    Conclusion 1/2

    Confirmed Measles outbreak in the Duazon

    Community

    More than half of affected were aged >5years

    Most affected were unvaccinated (at least

    76%)

    13

  • Liberia Field Epidemiology Training Programme (LFETP)

    Conclusion 2/2

    Outbreak lasted 2months (Dec 2015 Feb

    2016)

    Source of the infection remains unknown

    Outbreak was controlled by public education,

    mass vaccination, treatment and isolation of

    cases

    14

  • Liberia Field Epidemiology Training Programme (LFETP)

    Action Pictures

    15

    Miatta conducting an interviewInvestigation team preparation meeting