| detection of rickettsia helvetica in ixodes ricinus ticks collected from pyrenean chamois in france. | seventy-one ixodes ricinus ticks collected from pyrenean chamois (rupicapra pyrenaica) in the french pyrenees were tested by real-time polymerase chain reaction to detect the presence of rickettsia and bartonella. four ticks (6%) were positive for r. helvetica. the chamois carries infected ticks, and this enables the dissemination throughout the environment with this bacterium, a potential human pathogen. | 2012 | 23141107 |