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Rickettsia parkeri Infection

Rickettsia parkeri is as an emerging agent of tick-borne rickettsiosis in the Americas. More than 60 years after its initial isolation from tick vectors it was recognised as a human pathogen. Dogs have been characterised as sentinels for human rickettsiosis in rural areas in Brazil, Bolivia and Uruguay, by sharing the same tick species infesting humans and dogs (Labruna et al., 2007; Venzal et al., 2008; Tomassone et al., 2010).

Further information

  • Labruna MB, Horta MC, Aguiar DM, et al.: Prevalence of Rickettsia infection in dogs from the urban and rural areas of Monte Negro municipality, western Amazon, Brazil. Vector Borne Zoonotic Dis. 2007, 7, 249-55
  • Tomassone L, Conte V, Parrilla G, et al.: Rickettsia infection in dogs and Rickettsia parkeri in Amblyomma tigrinum ticks, Cochabamba department, Bolivia. Vector Borne Zoonotic Dis. 2010, 10, 953-8
  • Venzal JM, Estrada-Peña A, Castro O, et al.: Amblyomma triste Koch, 1844 (Acari: Ixodidae): Hosts and seasonality of the vector of Ricketsia parkeri in Uruguay. Vet Parasitol. 2008, 155, 104-9

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