Rickettsia helvetica

Zoonotic Transmission of Pathogens by Ixodes ricinus Ticks, Romania

For the first time, DNA from human pathogenic R. helvetica (7.5%), R. monacensis (6.1%), A. phagocytophilum (1.4%), E. muris (0.7%), F. tularensis (2.7%) and Babesia sp.EU1 (0.7%) has been detected in Romania. The tick Ixodes ricinus is one of the most important vectors of a large variety of pathogens of veterinary and medical importance in Europe (1). The most prevalent I. ricinus-borne infection in humans in Europe is Lyme borreliosis, a multisystemic disorder caused by spirochetes of the Borrelia burgdorferi sensu lato complex (2) .

Spotted Fever Group Rickettsiae in Ticks, Germany

To explore increased risk for human Rickettsia spp. infection in Germany, we investigated recreational areas and renatured brown coal surface-mining sites (also used for recreation) for the presence of spotted fever group rickettsiae in ticks. R. raoultii (56.7%), R. slovaca (13.3%), and R. helvetica (>13.4%) were detected in the respective tick species.

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