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. 2015 Jan 30:7:ecurrents.outbreaks.846b2a31ef37018b7d1126a9c8adf22a.
doi: 10.1371/currents.outbreaks.846b2a31ef37018b7d1126a9c8adf22a.

A model of the 2014 ebola epidemic in west Africa with contact tracing

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A model of the 2014 ebola epidemic in west Africa with contact tracing

Glenn Webb et al. PLoS Curr. .

Abstract

A differential equations model is developed for the 2014 Ebola epidemics in Sierra Leone and Liberia. The model describes the dynamic interactions of the susceptible and infected populations of these countries. The model incorporates the principle features of contact tracing, namely, the number of contacts per identified infectious case, the likelihood that a traced contact is infectious, and the efficiency of the contact tracing process. The model is first fitted to current cumulative reported case data in each country. The data fitted simulations are then projected forward in time, with varying parameter regimes corresponding to contact tracing efficiencies. These projections quantify the importance of the identification, isolation, and contact tracing processes for containment of the epidemics.

Keywords: ebola.

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References

    1. C. L. Althaus, Estimating the reproduction number of Zaire ebolavirus (EBOV) during the 2014 outbreak in West Africa, PLOS Currents Outbreak, September 2, 2014. - PMC - PubMed
    1. Center for disease control and Prevention, What is contact tracing? Contact tracing can stop the Ebola outbreak in its track. http://www.cdc.gov/vhf/ebola/pdf/contact-tracing.pdf
    1. G. Chowell, N.W. Hengartner, C. Castillo-Chavez P.W. Fenimore, J.M. Hyman, The basic reproductive number of Ebola and the effects of public health measures: the cases of Congo and Uganda. J. Theoret. Biol., 229 (2004) 119-126. - PubMed
    1. D. Fisman, E. Khoo, A. Tuite, Early epidemic dynamics of the West African 2014 Ebola outbreak: Estimates derived with a simple two-parameter model. PLOS Currents Outbreak, September 8, 2014. - PMC - PubMed
    1. M. Gomes, A. Pastore y Piontti, L. Rossi, D. Chao, I. Longini, M. Halloran, A. Vespignani, Assessing the international spreading risk associated with the 2014 West African Ebola outbreak. PLOS Currents Outbreak, September 2, 2014. - PMC - PubMed

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