Tags: Bacteria.
Rickettsia helvetica is a bacterium found in Dermacentor reticulatus and other ticks which has been implicated as a suspected but unconfirmed human pathogen. First recognized in 1979 in Ixodes ricinus ticks in Switzerland (hence the designation helvetica) as a new member of the spotted fever group of Rickettsia the Rickettsia helvetica bacterium was eventually isolated in 1993. Although R.