| 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 |
| seroprevalence of tick-borne pathogens and tick infestation in dogs from tapirapé and karajá indigenous communities, brazil. | with the aim of studying some tick-borne diseases, a total of 327 dogs (114 from tapirapé and 213 from karajá indigenous ethnicity, mato grosso, mt, brazil) were sampled. serum samples were submitted to the indirect fluorescence antibody test (ifat) to detect antibodies against babesia vogeli, ehrlichia canis, and rickettsia spp. possible associations of risk factors and the occurrence of seroreativity to tick-borne agents and tick infestations were analyzed through chi-squared tests. among 327 ... | 2015 | 26186512 |
| ticks and rickettsial infection in the wildlife of two regions of the brazilian amazon. | during 2009-2012, wild animals and their ticks were sampled in two areas within the amazon biome of brazil, in the states of mato grosso and pará. animal tissues, blood, and ticks were molecularly tested for rickettsia and coxiella dna. a total of 182 wild animals were sampled, comprising 28 mammalian, five avian, and three reptilian species. animal tissues or blood were all negative for rickettsia or coxiella dna. a total of 454 ticks (22 larvae, 226 nymphs, 127 males, 79 females) were collecte ... | 2015 | 25273064 |