2010
DOI: 10.1590/s1984-29612010000400006
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Seroprevalence of Rickettsia bellii and Rickettsia felis in dogs, São José dos Pinhais, State of Paraná, Brazil

Abstract: Seroprevalence of Rickettsia bellii and AbstractBrazilian 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 a… Show more

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Cited by 18 publications
(17 citation statements)
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“…Discordant samples were read by a second examiner independently to confirm endpoint reactivity. Sera with titres of 1:64 or greater were considered positive, as previously described [13,15,19]. …”
Section: Methodsmentioning
confidence: 99%
“…Discordant samples were read by a second examiner independently to confirm endpoint reactivity. Sera with titres of 1:64 or greater were considered positive, as previously described [13,15,19]. …”
Section: Methodsmentioning
confidence: 99%
“…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: 97%
“…The presence of rivers, with crop areas and a few areas of native forest, has a strong correlation with BSF (RIBEIRO et al, 2013;BARROS E SILVA et al, 2014). According to Fortes et al (2010), this type of environment favors development of capybaras, which are a competent amplifier host for Rickettsia species of the spotted fever group and are one of the main hosts of the tick vector, Amblyomma sculptum (LABRUNA, 2009;NAVA et al, 2014).…”
Section: Discussionmentioning
confidence: 99%
“…Esses dados confirmam a característica do município de área não endêmica para FMB ou qualquer outra espécie de riquétsia do GFM, assim como observados por Silva et al (2010) em Minas Gerais e Fortes et al (2010) no Paraná que encontraram, respectivamente, valores de 0,66 e 4,4%.…”
Section: Discussão E Conclusõesunclassified
“…Em animais há evidência sorológica de infecção por R. bellii em capivaras do estado de São Paulo, possivelmente transmitidos por Amblyomma dubitatum (PACHECO et al, 2007), além de cães no Paraná (FORTES et al, 2010), Mato Grosso (MELO et al, 2011) e Pará (SPOLIDORIO et al, 2013 . Apesar disso, não há comprovação experimental da capacidade vetorial de nenhuma espécie de carrapato na transmissão de R. bellii para animais.…”
Section: Discussão E Conclusõesunclassified