References
[1] Liang FT, Philipp MT. Epitope mapping of the immunodominant invariable region of Borrelia burgdorferi VlsE in three host species. Infection and Immunity. 2000;68:2349-2352
[2] McDowell JV, Sung S, Hu LT, Marconi RT.
Evidence that the variable regions of the central domain of VlsE are antigenic during infection with Lyme disease spirochetes. Infection and Immunity. 2002;70:4196-4203[3] Christova I, Trifonova I, Gladnishka T, Taseva E, Ivanova V, Rusimova D. C6 peptides from Borrelia burgdorferi sensu stricto, Borrelia afzelii and Borrelia garinii as antigens for serological diagnosis of Lyme borreliosis. Biotechnology & Biotechnological Equipment. 2014;27:3540-3542
[4] Christova I, Schous L, van De Pol I, Park J, Panayotov S, Lefterova V,
et al. High prevalence of granulocytic Ehrlichiae and Borrelia burgdorferi sensu lato in Ixodes ricinus ticks from Bulgaria. Journal of Clinical Microbiology. 2002;39:4172-4174
[5] Balmelli T, Piffaretti JC. Association between different clinical manifestations of Lyme disease and different species of Borrelia burgdorferi sensu lato. Research in Microbiology. 1995;146:329-340
[6] Schouls L, van de Pol I, Rijpkema S, Schot C. Detection and identification of Ehrlichia, Borrelia burgdorferi sensu lato, and Bartonella species in Dutch Ixodes ricinus ticks. Journal of Clinical Microbiology. 1999;37:2215-2222
[7] Bente DA, Forrester NL, Watts DM, McAuley AJ, Whitehouse CA, Bray M. Crimean-Congo hemorrhagic fever: History, epidemiology, pathogenesis, clinical syndrome and genetic diversity. Antiviral Research. 2013;100:159-189
[8] Mardani M, Keshtkar-Jahromi M. Crimean-Congo hemorrhagic fever. Archives of Iranian Medicine. 2007;10:204-214
[9] Pshenichnaya NY, Nenadskaya SA. Probable Crimean-Congo hemorrhagic fever virus transmission occurred after aerosol-generating medical procedures in Russia: Nosocomial cluster.
International Journal of Infectious Diseases. 2015;33:120-122[10] Midilli K, Gargili A, Ergonul O, Elevli M, Ergin S, Turan N, et al. The first clinical case due to AP92 like strain of Crimean-Congo hemorrhagic fever virus and a field survey. BMC Infectious Diseases. 2009;9:90
[11] Salehi-Vaziri M, Baniasadi V, Jalali T, Mirghiasi SM, Azad-Manjiri S, Zarandi R, et al. The first fatal case of Crimean-Congo hemorrhagic fever due to AP92 like strain of Crimean- Congo hemorrhagic fever virus. Japanese Journal of Infectious Diseases. 2016;69:344-346
[12] Nekliudov M. A case of hemorrhagic fever (Crimean). Savremenna Med. 1952;5:92-95
[13] Papa A, Pappa S, Panayotova E, Papadopoulou E, Christova I. Molecular epidemiology of Crimean-Congo hemorrhagic fever in Bulgaria—An update. Journal of Medical Virology. 2016;88:769-773
[14] Christova I, Panayotova E, Trifonova I, Taseva E, Hristova T, Ivanova V. Country-wide seroprevalence studies on Crimean-Congo hemorrhagic fever and hantavirus infections in general population of Bulgaria. Journal of Medical Virology. 2017;89:1720-1725
[15] Sidira P, Maltezou HC, Haidich AB, Papa A. Seroepidemiological study
of Crimean-Congo haemorrhagic fever in Greece, 2009-2010. Clinical Microbiology and Infection. 2012;18:E16-E19
[16] Fajs L, Humoli I, Saksida A, Knap N, Jelovsek M, Korva M, et al. Prevalence of Crimean-Congo hemorrhagic fever virus in healthy population, livestock and ticks in Kosovo. PLoS One. 2014;9(11):e110982
[17] Koksal I, Yilmaz G, Aksoy F, Erensov S, Aydin H. The seroprevalence of Crimean-Congo hemorrhagic fever in people living in the same environment with Crimean-Congo hemorrhagic fever patients in an endemic region in Turkey. Epidemiology and Infection. 2014;142(2):239-245
[18] Ertugrul B, Kirdar S, Ersoy OS, Ture M, Erol N, Ozturk B, et al. The seroprevalence of Crimean-Congo hemorrhagic fever among inhabitants living in the endemic regions of western Anatolia. Scandinavian Journal of Infectious Diseases.
2012;44(4):276-281[19] Garrison AR, Alakbarova S, Kulesh DA, Shezmukhamedova D, Khodjaev S, Endy TP, et al. Development of
a TaqMan minor groove binding protein assay for the detection and quantification of Crimean-Congo hemorrhagic fever virus. The American Journal of Tropical Medicine and Hygiene. 2007;77:514-520
[20] Panayotova E, Papa A, Trifonova I, Christova I. Crimean-Congo hemorrhagic fever virus lineages Europe 1 and Europe 2 in Bulgarian ticks. Ticks and Tick Borne Diseases. 2016;7(5):1024-1028
[21] Ergonul O. Crimean-Congo haemorrhagic fever. The Lancet Infectious Diseases. 2006;6:203-214
[22] Yesilbag K, Aydin L, Dincer E, Alpay G, Girisgin AO, Tuncer P, et al. Tick survey and detection of Crimean- Congo hemorrhagic fever virus in tick species from a non-endemic area, South Marmara region, Turkey. Experimental and Applied Acarology. 2013;60:253-261
[23] Duh D, Saksida A, Petrovec M, Dedushaj I, Avsic-Zupanc T. Novel onestep real-time RT-PCR assay for rapid and specific diagnosis of Crimean-Congo hemorrhagic fever encountered in the Balkans. Journal of Virological Methods. 2006;133:175-179
[24] Sherifi K, Cadar D, Muji S, Robaj A, Ahmeti S, Jakupi X, et al. Crimean- Congo hemorrhagic fever virus clades V and VI (Europe 1 and 2) in ticks in Kosovo, 2012. PLoS Neglected Tropical Diseases. 2014;8:e3168
[25] Christova I, Gladnishka T, Taseva E, Kalvatchev N, Tsergouli K, Papa
A. Seroprevalence of Crimean-Congo hemorrhagic fever virus, Bulgaria. Emerging Infectious Diseases. 2013;19:177-179. DOI: 10.3201/ eid1901.120299
[26] Mohareb E, Christova I, Soliman A, Younan R, Kantardjiev T. Tick-borne encephalitis in Bulgaria, 2009-2012. Euro Surveillance. 2013;18(46)
[27] Christova I, Panayotova E, Tchakarova S, Taseva E, Trifonova I, Gladnishka T. A nationwide seroprevalence screening for West Nile virus and tick-borne encephalitis virus in the population of Bulgaria. Journal of Medical Virology. 2017;89(10):1875-1878
[28] Suss J.
Tick-borne encephalitis in Europe and beyond—The epidemiological situation as of 2007. Euro Surveillance. 2008;13(26)[29] Schwaiger M, Cassinotti
P. Development of a quantitative real-time RT-PCR assay with internal control for the laboratory detection of tick borne encephalitis virus (TBEV) RNA. Journal of Clinical Virology. 2003;27:136-145
[30] Dumpis U, Crook D, Oksi J. Tick- borne encephalitis. Clinical Infectious Diseases. 1999;28(4):882-890
[31] Lundkvist A, Wallensten A, Vene S, Hjertqvist M. Tick-borne encephalitis increasing in Sweden. Euro Surveillance. 2011;16(39)
[32] Lommano E, Burri C, Maeder G, Guerne M, Bastic V, Patalas E,
et al. Prevalence and genotyping of tick-borne encephalitis virus in questing Ixodes ricinus ticks in a new endemic area in western Switzerland. Journal of Medical Entomology. 2012;49(1):156-164
[33] European Commission decision. Official Journal of the European Union. L 239/3, 2012
[34] Meirova RA. Tick-borne encephalitis associated with other infections. Klin.Med. (Mosk).
1991;69(5):71-73
[35] Chancey C, Grinev A, Volkova E, Rios M. The global ecology and epidemiology of West Nile virus. BioMed Research International.
2015;376230. DOI: 10.1155/2015/376230
[36] Baymakova M, Trifonova I, Panayotova E, Dakova S, Pacenti M, Barzon L, et al. Fatal case of West Nile neuroinvasive disease in Bulgaria. Emerging Infectious Diseases. 2016;22(12):2203-2204. DOI: 10.3201/ eid2212.151968
[37] Hadjichristodoulou C, Pournaras S, Mavrouli M, Marka A, Tserkezou P, Baka A, et al. West Nile virus seroprevalence in the Greek population in 2013: A Nationwide cross-sectional survey. PLoS One. 2015;10(11):e0143803. DOI: 10.1371/ journal.pone.0143803
[38] Bakonyi T, Ivanics E, Erdelyi K, Ursu K, Ferenczi E, Weissenbock H, et al. Lineage 1 and 2 strains of encephalitic West Nile virus, Central Europe. Emerging Infectious Diseases. 2006;12:618-623
[39] Pierro A, Galbani P, Spadafora C, Ruggeri D, Randi V, Parenti S,
et al. Detection of specific antibodies against West Nile and Usutu viruses in healthy blood donors in northern Italy, 2010-2011. Clinical Microbiology and Infection. 2013;19:E451-E453. DOI: 10.1111/1469-0691.12241
[40] Charrel R, de Lamballerie X, Durand JP, Gallian P, Attoui H, Biagini P, et al. Prevalence of antibody against West Nile virus in volunteer blood donors living in southeastern France. Transfusion. 2001;41:1-2
[41] Sirbu AC, Sirbu A, Celanu CS, Panculescu-Gatej R, Vazquez A, Tenorio A, et al. Outbreak of West Nile virus infection in humans. Euro Surveillance. 2010;16
[42] Dimou V, Gerou S, Papa A. The epidemic West Nile virus strain in Greece was a recent introduction. Vector Borne and Zoonotic Diseases. 2013;13(10):719-722