Genomic Characterization of Crimean-Congo Hemorrhagic Fever Virus in Hyalomma Tick from Spain, 2014

Maria N.B. Cajimat, Sergio E. Rodriguez, Isolde U.E. Schuster, Daniele M. Swetnam, Thomas G. Ksiazek, Miguel A. Habela, Ana Isabel Negredo, Agustín Estrada-Peña, Alan D.T. Barrett, Dennis A. Bente

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Crimean-Congo hemorrhagic fever (CCHF) is a severe tick-borne disease caused by CCHF virus (CCHFV). Ticks in the genus Hyalomma are the main vectors and reservoirs of CCHFV. In Spain, CCHFV was first detected in Hyalomma ticks from Cáceres in 2010. Subsequently, two autochthonous CCHF cases were reported in August 2016. In this study, we describe the characterization of the CCHFV genome directly from Hyalomma lusitanicum collected in Cáceres in 2014. Phylogenetic analyses reveal a close relationship with clade III strains from West Africa, with an estimated divergence time of 50 years. The results of this work suggest that CCHFV has been circulating in Spain for some time, and most likely originated from West Africa.

Original languageEnglish (US)
Pages (from-to)714-719
Number of pages6
JournalVector-Borne and Zoonotic Diseases
Volume17
Issue number10
DOIs
StatePublished - Oct 2017

Keywords

  • Crimean-Congo hemorrhagic fever (CCHF)
  • Hyalomma tick
  • Spain
  • emerging disease
  • tick-borne disease

ASJC Scopus subject areas

  • Microbiology
  • Infectious Diseases
  • Virology

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