| brazilian spotted fever in cart horses in a non-endemic area in southern brazil. | brazilian spotted fever (bsf) is an often fatal zoonosis caused by the obligate intracellular bacterium rickettsia rickettsii. the disease is generally transmitted to humans by amblyomma spp. ticks. serological evidence of past infection by r. rickettsii has been reported in horses, but the pathogenicity of r. rickettsii in horses remains unknown. cart horses are still widely used in urban and urban fringe areas in brazil, and these animals may constitute suitable sentinels for bsf human in thes ... | 2010 | 20624353 |
| serological survey of rickettsia sp. in horses and dogs in a non-endemic area in brazil. | brazilian spotted fever (bsf) is a lethal rickettsiosis in humans caused by the bacteria rickettsia rickettsii, and is endemic in some areas of brazil. horses and dogs are part of the disease's life cycle and they may also serve as sentinel animals in epidemiological studies. the first human bsf case in the state of paraná was reported in 2005. the present study was conducted in the municipality of almirante tamandaré, where no previous case of bsf was reported. serum samples were collected from ... | 2010 | 21184695 |
| seroprevalence of rickettsia bellii and rickettsia felis in dogs, são josé dos pinhais, state of paraná, brazil. | brazilian spotted fever (bsf) is a vector-borne zoonosis caused by rickettsia rickettsii bacteria. dogs can be host sentinels for this bacterium. the aim of the study was to determine the presence of antibodies against rickettsia spp. in dogs from the city of são josé dos pinhais, state of paraná, southern brazil, where a human case of bsf was first reported in the state. between february 2006 and july 2007, serum samples from 364 dogs were collected and tested at 1:64 dilutions by indirect immu ... | 2010 | 21184698 |
| serosurvey of antibodies against spotted fever group rickettsia spp. in horse farms in northern paraná, brazil. | brazilian spotted fever (bsf) is an emerging disease most likely caused by rickettsia rickettsii. the objective of the present study was to estimate the seroprevalence of bsf rickettsia infections in equines from six horse farms located in londrina county, paraná, southern brazil. six owners of horse farms situated in cambé, santa fé, guaraci and londrina municipalities participated in the study. all farms were located in areas where bsf has not been reported. a total of 273 horses were sampled ... | 2010 | 21184706 |
| infection by spotted fever rickettsiae in people, dogs, horses and ticks in londrina, parana state, brazil. | spotted fever is a disease caused by bacteria from the genus rickettsia of the spotted fever group (sfg). rickettsia rickettsii is likely the main agent of brazilian spotted fever (bsf). with the objective of gathering information on the circulation of sfg rickettsiae in londrina, parana state, ticks from dogs and horses and also blood from dogs, horses and humans were collected in a neighbourhood of the city which presented potential for circulation of rickettsiae between hosts and vectors. amb ... | 2011 | 21824336 |
| Study of infection by Rickettsiae of the spotted fever group in humans and ticks in an urban park located in the City of Londrina, State of Paraná, Brazil. | Spotted fevers are emerging zoonoses caused by Rickettsia species in the spotted fever group (SFG). Rickettsia rickettsii is the main etiologic agent of Brazilian spotted fever (BSF)and it is transmitted by Amblyomma spp. ticks. | 2011 | 21901874 |