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Molecular epidemiology of Crimean-Congo hemorrhagic fever in Bulgaria-An update.

TitleMolecular epidemiology of Crimean-Congo hemorrhagic fever in Bulgaria-An update.
Publication TypeJournal Article
Year of Publication2016
AuthorsPapa, A., Pappa S., Panayotova E., Papadopoulou E., & Christova I.
JournalJ Med Virol
Date Published2016 May

Crimean-Congo hemorrhagic fever (CCHF) is endemic in Bulgaria. During 2013-2014, 11 confirmed CCHF cases have been reported in the country (seven in 2013 and four in 2014). The present study provides the CCHF molecular epidemiology in Bulgaria based on all currently available S, M, and L RNA segment nucleotide sequences spanning the years 1978-2014. A relatively low genetic difference (0-6%, the maximum seen in the M RNA segment) was seen among the CCHFV sequences suggesting that a slow evolving CCHFV strain belonging to "Europe 1" clade is present in Bulgaria. Although the virus emerged in new foci during the recent years, it is more active in the established endemic foci which seem to offer the most suitable ecosystem and environment. Understanding the CCHF epidemiology and virus evolution is the basis for public health programs and vaccine design. J. Med. Virol. 88:769-773, 2016. © 2015 Wiley Periodicals, Inc.

Alternate JournalJ. Med. Virol.
PubMed ID26455333


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