Swiss agent Rickettsia helvetica Beati et al. 1993 Beati L. Péter O. Burgdorfer W. Aeschlimann A. Raoult D. Confirmation that Rickettsia helvetica sp. nov. is a distinct species of the spotted fever group of rickettsiae. 1993 43 3 521 526 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-3-521 8102245 Note: Verified that there is no sequence data available (May 1, 2018). Assigned a proxy type. Isolated from Ixodes ricinus (tick) in Switzerland, 1979.