tick-borne encephalitis (tbe) in germany--epidemiological data, development of risk areas and virus prevalence in field-collected ticks and in ticks removed from humans. | in germany, 100-300 autochthonous clinical tbe cases have been recorded annually. there are high-risk areas in bavaria and baden-wuerttemberg and ongoing low-risk areas in hesse, thuringia, and the rhineland-palatinate and single cases in saxony. in order to be able to evaluate the epidemiological changes described here, it must be mentioned that a new definition of tbe risk areas was introduced on the district level in 1998 in germany and in 2001 with the new infection protection act (infektion ... | 2004 | 15146987 |