Tick-borne encephalitis (TBE) virus prevalence and virus genome characterization in field-collected ticks (Ixodes ricinus) from risk,non-risk and former risk areas of TBE,and in ticks removed from humans in Germany |
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| Authors: | C. Klaus B. Hoffmann U. Hering B. Mielke K. Sachse M. Beer J. Süss |
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| Affiliation: | 1. Institute of Bacterial Infections and Zoonoses Friedrich Loeffler Institute, Jena;2. Institute of Diagnostic Virology, Friedrich Loeffler Institute, Greifswald-Insel Riems, Rosenheim;3. Medical Laboratory Rosenheim (Medizinisches Labor Rosenheim), Rosenheim;4. Health and Veterinary Office (Gesundheits- und Veterinäramt), Magdeburg, Germany |
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| Abstract: | Tick-borne encephalitis (TBE) is recognized as the most important viral tick-borne zoonosis in 27 countries in Europe. In this study, ticks were collected in Germany from two non-risk areas in the states of Saxony-Anhalt and Mecklenburg-Western Pomerania, where several single human TBE cases have occurred in recent years. Ticks were also collected from a region in Thuringia, known to be a former risk area for TBE virus (TBEV), where numerous human cases were reported between 1960 and 1975. Detection of TBEV RNA was conducted by real-time RT-PCR. No TBEV was detected in any field-collected ticks. However, ticks were also collected from volunteers living in Bavaria. Three of 239 ticks from this collection were positive for TBEV genome and two genetically distinct TBEV strains were detected and characterized. |
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| Keywords: | Neudoerfl strain TBE virus (TBEV) TBEV strain 263 tick-borne encephalitis (TBE) ticks virus genome characterization |
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