Analysis of diagnostic findings from the European mobile laboratory in Guéckédou, Guinea, March 2014 through March 2015

Romy Kerber, Ralf Krumkamp, Boubacar Diallo, Anna Jaeger, Martin Rudolf, Simone Lanini, Joseph Akoi Bore, Fara Raymond Koundouno, Beate Becker-Ziaja, Erna Fleischmann, Kilian Stoecker, Silvia Meschi, Stéphane Mély, Edmund N C Newman, Fabrizio Carletti, Jasmine Portmann, Misa Korva, Svenja Wolff, Peter Molkenthin, Zoltan KisAnne Kelterbaum, Anne Bocquin, Thomas Strecker, Alexandra Fizet, Concetta Castilletti, Gordian Schudt, Lisa Ottowell, Andreas Kurth, Barry Atkinson, Marlis Badusche, Angela Cannas, Elisa Pallasch, Andrew Bosworth, Constanze Yue, Bernadett Pályi, Heinz Ellerbrok, Claudia Kohl, Lisa Oestereich, Christopher H Logue, Anja Lüdtke, Martin Richter, Didier Ngabo, Benny Borremans, Dirk Becker, Sophie Gryseels, Saïd Abdellati, Tine Vermoesen, Eeva Kuisma, Annette Kraus, Britta Liedigk, Piet Maes, Ruth Thom, Sophie Duraffour, Sandra Diederich, Julia Hinzmann, Babak Afrough, Johanna Repits, Marc Mertens, Inês Vitoriano, Amadou Bah, Andreas Sachse, Jan Peter Boettcher, Stephanie Wurr, Sabrina Bockholt, Andreas Nitsche, Tatjana Avšič Županc, Marc Strasser, Giuseppe Ippolito, Stephan Becker, Herve Raoul, Miles W Carroll, Hilde De Clerck, Michel Van Herp, Armand Sprecher, Lamine Koivogui, N'Faly Magassouba, Sakoba Keïta, Patrick Drury, Cèline Gurry, Pierre Formenty, Jürgen May, Martin Gabriel, Roman Wölfel, Stephan Günther, Antonino Di Caro

    Research output: Contribution to journalA1: Web of Science-article

    Abstract

    BACKGROUND:  A unit of the European Mobile Laboratory (EMLab) consortium was deployed to the Ebola virus disease (EVD) treatment unit in Guéckédou, Guinea, from March 2014 through March 2015.

    METHODS:  The unit diagnosed EVD and malaria, using the RealStar Filovirus Screen reverse transcription-polymerase chain reaction (RT-PCR) kit and a malaria rapid diagnostic test, respectively.

    RESULTS:  The cleaned EMLab database comprised 4719 samples from 2741 cases of suspected EVD from Guinea. EVD was diagnosed in 1231 of 2178 hospitalized patients (57%) and in 281 of 563 who died in the community (50%). Children aged <15 years had the highest proportion of Ebola virus-malaria parasite coinfections. The case-fatality ratio was high in patients aged <5 years (80%) and those aged >74 years (90%) and low in patients aged 10-19 years (40%). On admission, RT-PCR analysis of blood specimens from patients who died in the hospital yielded a lower median cycle threshold (Ct) than analysis of blood specimens from survivors (18.1 vs 23.2). Individuals who died in the community had a median Ct of 21.5 for throat swabs. Multivariate logistic regression on 1047 data sets revealed that low Ct values, ages of <5 and ≥45 years, and, among children aged 5-14 years, malaria parasite coinfection were independent determinants of a poor EVD outcome.

    CONCLUSIONS:  Virus load, age, and malaria parasite coinfection play a role in the outcome of EVD.

    Original languageEnglish
    JournalJournal of Infectious Diseases
    Volume214
    Issue numberSuppl. 3
    Pages (from-to)S250-S257
    Number of pages8
    ISSN0022-1899
    DOIs
    Publication statusPublished - 2016

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