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Rickettsia helvetica, previously known as the Swiss agent, 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 R. helvetica bacterium was eventually isolated in 1993. Although R. helvetica was initially thought to be harmless in humans and many animal species, some individual case reports suggest that it may be capable of causing a nonspecific fever in humans. In 1997, a man living in eastern France seroconverted to Rickettsia 4 weeks after onset of an unexplained febrile illness. In 2010, a case report indicated that tick-borne R. helvetica can al

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  • ريكتسيا سويسرية (الاسم العلمي: Rickettsia helvetica) هي نوع من البكتيريا تتبع جنس الريكتسيا من الفصيلة الريكتسية. (ar)
  • Rickettsia helvetica, previously known as the Swiss agent, 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 R. helvetica bacterium was eventually isolated in 1993. Although R. helvetica was initially thought to be harmless in humans and many animal species, some individual case reports suggest that it may be capable of causing a nonspecific fever in humans. In 1997, a man living in eastern France seroconverted to Rickettsia 4 weeks after onset of an unexplained febrile illness. In 2010, a case report indicated that tick-borne R. helvetica can also cause meningitis in humans. Molecular evidence suggests that in Croatia, as many as 10% of D. reticulatus ticks are infected with R. helvetica.In addition to this, R. slovaca is found in another 2%, and 1% are infected with both species. (en)
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  • Beati, Peter, Burgdorfer, Aeschlirnami & Raoult, 1993 (en)
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  • Spotted fever group (en)
dbp:taxon
  • Rickettsia helvetica (en)
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  • ريكتسيا سويسرية (الاسم العلمي: Rickettsia helvetica) هي نوع من البكتيريا تتبع جنس الريكتسيا من الفصيلة الريكتسية. (ar)
  • Rickettsia helvetica, previously known as the Swiss agent, 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 R. helvetica bacterium was eventually isolated in 1993. Although R. helvetica was initially thought to be harmless in humans and many animal species, some individual case reports suggest that it may be capable of causing a nonspecific fever in humans. In 1997, a man living in eastern France seroconverted to Rickettsia 4 weeks after onset of an unexplained febrile illness. In 2010, a case report indicated that tick-borne R. helvetica can al (en)
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  • ريكتسيا سويسرية (ar)
  • Rickettsia helvetica (en)
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