Virus genomes reveal factors that spread and sustained the Ebola epidemic

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Dudas, Gytis, Carvalho, Luiz Max, Bedford, Trevor, Tatem, Andrew J, Baele, Guy, Faria, Nuno R, Park, Daniel J, Ladner, Jason T, Arias, Armando, Asogun, Danny et al (show 86 more authors) , Bielejec, Filip, Caddy, Sarah L, Cotten, Matthew, D'Ambrozio, Jonathan, Dellicour, Simon, Di Caro, Antonino, Diclaro, Joseph W, Duraffour, Sophie, Elmore, Michael J, Iii, Lawrence S Fakoli, Faye, Ousmane, Gilbert, Merle L, Gevao, Sahr M, Gire, Stephen, Gladden-Young, Adrianne, Gnirke, Andreas, Goba, Augustine, Grant, Donald S, Haagmans, Bart L, Hiscox, Julian A ORCID: 0000-0002-6582-0275, Jah, Umaru, Kugelman, Jeffrey R, Liu, Di, Lu, Jia, Malboeuf, Christine M, Mate, Suzanne, Matthews, David A, Matranga, Christian B, Meredith, Luke W, Qu, James, Quick, Joshua, Pas, Suzan D, Phan, My VT, Pollakis, Georgios ORCID: 0000-0002-9659-5461, Reusken, Chantal B, Sanchez-Lockhart, Mariano, Schaffner, Stephen F, Schieffelin, John S, Sealfon, Rachel S, Simon-Loriere, Etienne, Smits, Saskia L, Stoecker, Kilian, Thorne, Lucy, Tobin, Ekaete Alice, Vandi, Mohamed A, Watson, Simon J, West, Kendra, Whitmer, Shannon, Wiley, Michael R, Winnicki, Sarah M, Wohl, Shirlee, Wolfel, Roman, Yozwiak, Nathan L, Andersen, Kristian G, Blyden, Sylvia O, Bolay, Fatorma, Carroll, Miles W, Dahn, Bernice, Diallo, Boubacar, Formenty, Pierre, Fraser, Christophe, Gao, George F, Garry, Robert F, Goodfellow, Ian, Gnther, Stephan, Happi, Christian T, Holmes, Edward C, Kargbo, Brima, Keita, Sakoba, Kellam, Paul, Koopmans, Marion PG, Kuhn, Jens H, Loman, Nicholas J, Magassouba, N'Faly, Naidoo, Dhamari, Nichol, Stuart T, Nyenswah, Tolbert, Palacios, Gustavo, Pybus, Oliver G, Sabeti, Pardis C, Sall, Amadou, Stroher, Ute, Wurie, Isatta, Suchard, Marc A, Lemey, Philippe and Rambaut, Andrew (2017) Virus genomes reveal factors that spread and sustained the Ebola epidemic. NATURE, 544 (7650). pp. 309-315.

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Abstract

The 2013–2016 West African epidemic caused by the Ebola virus was of unprecedented magnitude, duration and impact. Here we reconstruct the dispersal, proliferation and decline of Ebola virus throughout the region by analysing 1,610 Ebola virus genomes, which represent over 5% of the known cases. We test the association of geography, climate and demography with viral movement among administrative regions, inferring a classic ‘gravity’ model, with intense dispersal between larger and closer populations. Despite attenuation of international dispersal after border closures, cross-border transmission had already sown the seeds for an international epidemic, rendering these measures ineffective at curbing the epidemic. We address why the epidemic did not spread into neighbouring countries, showing that these countries were susceptible to substantial outbreaks but at lower risk of introductions. Finally, we reveal that this large epidemic was a heterogeneous and spatially dissociated collection of transmission clusters of varying size, duration and connectivity. These insights will help to inform interventions in future epidemics.

Item Type:	Article
Uncontrolled Keywords:	Humans, Hemorrhagic Fever, Ebola, Linear Models, Climate, Disease Outbreaks, Phylogeny, Genome, Viral, Geography, Internationality, Travel, Ebolavirus, Molecular Epidemiology
Depositing User:	Symplectic Admin
Date Deposited:	08 Sep 2017 08:31
Last Modified:	19 Jan 2023 07:05
DOI:	10.1038/nature22040
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3007057