• As the Rickettsia organisms progress through the body, leaky blood vessels and decreased clotting can lead to a variety of bleeding abnormalities. (petmd.com)
  • The tick Rhipicephalus sanguineus has also been implicated as a vector for R. rickettsii in a few areas of Mexico and the state of Arizona in the United States ( 5 , 6 ). (cdc.gov)
  • in addition, larvae, nymphs, and adults transmitted R. rickettsii to susceptible guinea pigs ( 8 ). (cdc.gov)
  • to our knowledge, no confirmed cases of disease caused by this Rickettsia species have been reported from this continent. (cdc.gov)