Mutation rate and genotype variation of Ebola virus from Mali case sequences

T. Hoenen, D. Safronetz, A. Groseth, K. R. Wollenberg, O. A. Koita, B. Diarra, I. S. Fall, F. C. Haidara, F. Diallo, M. Sanogo, Y. S. Sarro, A. Kone, A. C.G. Togo, A. Traore, M. Kodio, A. Dosseh, K. Rosenke, E. De Wit, F. Feldmann, Hideki EbiharaV. J. Munster, K. C. Zoon, H. Feldmann, S. Sow

Research output: Contribution to journalArticle

94 Scopus citations

Abstract

The occurrence of Ebola virus (EBOV) in West Africa during 2013-2015 is unprecedented. Early reports suggested that in this outbreak EBOV is mutating twice as fast as previously observed, which indicates the potential for changes in transmissibility and virulence and could render current molecular diagnostics and countermeasures ineffective. We have determined additional full-length sequences from two clusters of imported EBOV infections into Mali, and we show that the nucleotide substitution rate (9.6 × 10-4 substitutions per site per year) is consistent with rates observed in Central African outbreaks. In addition, overall variation among all genotypes observed remains low. Thus, our data indicate that EBOV is not undergoing rapid evolution in humans during the current outbreak. This finding has important implications for outbreak response and public health decisions and should alleviate several previously raised concerns.

Original languageEnglish (US)
Pages (from-to)117-119
Number of pages3
JournalScience
Volume348
Issue number6230
DOIs
StatePublished - Apr 3 2015
Externally publishedYes

ASJC Scopus subject areas

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    Hoenen, T., Safronetz, D., Groseth, A., Wollenberg, K. R., Koita, O. A., Diarra, B., Fall, I. S., Haidara, F. C., Diallo, F., Sanogo, M., Sarro, Y. S., Kone, A., Togo, A. C. G., Traore, A., Kodio, M., Dosseh, A., Rosenke, K., De Wit, E., Feldmann, F., ... Sow, S. (2015). Mutation rate and genotype variation of Ebola virus from Mali case sequences. Science, 348(6230), 117-119. https://doi.org/10.1126/science.aaa5646