Marburg hemorrhagic fever associated with multiple genetic lineages of virus.


Bausch, DG; Nichol, ST; Muyembe-Tamfum, JJ; Borchert, M; Rollin, PE; Sleurs, H; Campbell, P; Tshioko, FK; Roth, C; Colebunders, R; Pirard, P; Mardel, S; Olinda, LA; Zeller, H; Tshomba, A; Kulidri, A; Libande, ML; Mulangu, S; Formenty, P; Grein, T; Leirs, H; Braack, L; Ksiazek, T; Zaki, S; Bowen, MD; Smit, SB; Leman, PA; Burt, FJ; Kemp, A; Swanepoel, R; International Scientific and Technical Committee for Marburg Hem, ; (2006) Marburg hemorrhagic fever associated with multiple genetic lineages of virus. The New England journal of medicine, 355 (9). pp. 909-19. ISSN 0028-4793 DOI: https://doi.org/10.1056/NEJMoa051465

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Abstract

: An outbreak of Marburg hemorrhagic fever was first observed in a gold-mining village in northeastern Democratic Republic of the Congo in October 1998.<br/> : We investigated the outbreak of Marburg hemorrhagic fever most intensively in May and October 1999. Sporadic cases and short chains of human-to-human transmission continued to occur until September 2000. Suspected cases were identified on the basis of a case definition; cases were confirmed by the detection of virus antigen and nucleic acid in blood, cell culture, antibody responses, and immunohistochemical analysis.<br/> : A total of 154 cases (48 laboratory-confirmed and 106 suspected) were identified (case fatality rate, 83 percent); 52 percent of cases were in young male miners. Only 27 percent of these men reported having had contact with other affected persons, whereas 67 percent of patients who were not miners reported such contact (P<0.001). Most of the affected miners (94 percent) worked in an underground mine. Cessation of the outbreak coincided with flooding of the mine. Epidemiologic evidence of multiple introductions of infection into the population was substantiated by the detection of at least nine genetically distinct lineages of virus in circulation during the outbreak.<br/> : Marburg hemorrhagic fever can have a very high case fatality rate. Since multiple genetic variants of virus were identified, ongoing introduction of virus into the population helped perpetuate this outbreak. The findings imply that reservoir hosts of Marburg virus inhabit caves, mines, or similar habitats.<br/>

Item Type: Article
Faculty and Department: Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology
PubMed ID: 16943403
Web of Science ID: 240113100008
URI: http://researchonline.lshtm.ac.uk/id/eprint/11474

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