2010
DOI: 10.4322/rbpv.01902013
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Abstract: 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 these areas, for ex… Show more

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Cited by 3 publications
(7 citation statements)
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“…The low prevalence found in this study suggests that dogs and horses are exposed to a small vector population infected by Rickettsiae. However, data obtained by Fortes et al (2010) and Freitas et al (2010) show that, even in regions where there is low prevalence of seropositive dogs and equids, human cases of BSF may occur.…”
Section: Discussionmentioning
confidence: 99%
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“…The low prevalence found in this study suggests that dogs and horses are exposed to a small vector population infected by Rickettsiae. However, data obtained by Fortes et al (2010) and Freitas et al (2010) show that, even in regions where there is low prevalence of seropositive dogs and equids, human cases of BSF may occur.…”
Section: Discussionmentioning
confidence: 99%
“…These other studies indicated positive rates ranging from 5.5 to 38.5% in horses, from 0 to 19.1% in dogs and from 4.7 to 21.0% in humans (BATISTA et al, 2010;FREITAS et al, 2010;OTOMURA et al, 2010;TAMEKUNI et al, 2010;TAMEKUNI et al, 2011;TOLEDO et al, 2011), according to the geographic area. The low prevalence found in this study suggests that dogs and horses are exposed to a small vector population infected by Rickettsiae.…”
Section: Discussionmentioning
confidence: 99%
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“…Brazilian spotted fever (BSF) is an acute tick-borne disease caused by R. rickettsii and its clinical signs include fever, headache, myalgia, nausea and rash. The first case of BSF was reported in 1929 in the State of São Paulo (DIAS; MARTINS, 1939) and in recent years BSF has been reported in the State of Minas Gerais, Rio de Janeiro, Santa Catarina, Rio Grande do Sul and Paraná (FREITAS et al, 2010).…”
Section: Introductionmentioning
confidence: 99%