| tick-borne encephalitis virus in ticks in finland, russian karelia and buryatia. | tick-borne encephalitis (tbe) is a central nervous system infection caused by a flavivirus [tick-borne encephalitis virus (tbev)], transmitted by ixodes ticks and endemic in a large region in eurasia. we collected 2411 ticks from finland and russia in 2003-2008, screened them for tbev by rt-pcr and isolated and analysed eight strains belonging to all three tbev subtypes; in addition, we obtained two european-subtype strains from human serum samples. tbev rna prevalence in unengorged ticks was ap ... | 2010 | 20660147 |