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Updated: Nov 10, 2025

Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes
Published on: September 27, 2014
Ebola Virus Transmission Initiated by Relapse of Systemic Ebola Virus Disease
Placide Mbala-Kingebeni1, Catherine Pratt1, Mbusa Mutafali-Ruffin1
1From the Institut National de Recherche Biomédicale (P.M.-K., A.N.-N., E.K.-L., A.A., D.M., N.B., D.K., B.N., M.A., O.T., S.M, S.A.-M., J.-J.M.T.), the University of Kinshasa (P.M.-K., A.N.-N., F.M., F.E., M.M., J.B.B., S.A.-M., J.-J.M.T.), and Ministère de la Santé (F.B., V.E., E.S.-P., Y.T.T.N.) - all in Kinshasa, Democratic Republic of Congo; the University of Nebraska Medical Center, Omaha (C.P., B.W., M.R.W.); International Medical Corps (M.M.-R.) and the University of California, Los Angeles (A.W.R., M.A.S.), Los Angeles, and the Scripps Research Institute, La Jolla (M.G.P., K.G., E.S., A.T., K.G.A.) - all in California; the Fred Hutchinson Cancer Research Center, Seattle (A.B., J.H., T.B.); the Institut Pasteur de Dakar, Dakar, Senegal (M.F., M.M.D., O.F., A.S.); the Vaccine Research Center, National Institutes of Health, Bethesda (J.M., A.P., N.J.S.), and the Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research (I.C.), and the Integrated Research Facility at Fort Detrick, National Institutes of Health (L.H.), Frederick - all in Maryland; the World Health Organization, Geneva (B.D., M.K., M.R.D.B., I.S.F., A.Y.); and the University of Edinburgh, Edinburgh, United Kingdom (A.R.).
Abstract:
During the 2018-2020 Ebola virus disease (EVD) outbreak in North Kivu province in the Democratic Republic of Congo, EVD was diagnosed in a patient who had received the recombinant vesicular stomatitis virus-based vaccine expressing a ZEBOV glycoprotein (rVSV-ZEBOV) (Merck). His treatment included an Ebola virus (EBOV)-specific monoclonal antibody (mAb114), and he recovered within 14 days. However, 6 months later, he presented again with severe EVD-like illness and EBOV viremia, and he died. We initiated epidemiologic and genomic investigations that showed that the patient had had a relapse of acute EVD that led to a transmission chain resulting in 91 cases across six health zones over 4 months. (Funded by the Bill and Melinda Gates Foundation and others.).
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