| rickettsia bellii, rickettsia amblyommii, and laguna negra hantavirus in an indian reserve in the brazilian amazon. | the purpose of this study was to identify the presence of rickettsia and hantavirus in wild rodents and arthropods in response to an outbreak of acute unidentified febrile illness among indians in the halataikwa indian reserve, northwest of the mato grosso state, in the brazilian amazon. where previously surveillance data showed serologic evidence of rickettsia and hantavirus human infection. | 2014 | 24742108 |
| microorganisms in ticks (acari: ixodidae) collected on marsupials and rodents from santa catarina, paraná and mato grosso do sul states, brazil. | information about tick fauna and monitoring of pathogen prevalences in ticks (acari: ixodidae) in various habitat types can enhance knowledge about the epidemiology of tick-borne pathogens in brazil. this work shows the results of a study of tick parasitism of wild rodents and marsupials collected in seven localities in the southern part of brazil, within atlantic forest and cerrado biomes. a total of 61 ticks were collected from small mammals, and after identification to the species level, the ... | 2017 | 27769655 |
| seroprevalence of rickettsia spp. in equids and molecular detection of 'candidatus rickettsia amblyommii' in amblyomma cajennense sensu lato ticks from the pantanal region of mato grosso, brazil. | the aim of the study was to evaluate exposure of equids to rickettsial agents (rickettsia rickettsii, rickettsia parkeri, 'candidatus rickettsia amblyommii', rickettsia rhipicephali, and rickettsia bellii) and rickettsial infection in ticks of a pantanal region of brazil. sera of 547 equids (500 horses and 47 donkeys) were evaluated by indirect immunofluorescence assay. in total, 665 adults and 106 nymphal pools of amblyomma cajennense f. sensu lato, 10 dermacentor nitens neumann ticks, and 88 l ... | 2014 | 26309313 |