2010
DOI: 10.5433/1679-0359.2010v31n4p995
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Canine coronavirus (CCoV) in dogs vaccinated and unvaccinated domiciliated in Pelotas, RS, Brazil

Abstract: Canine coronavirus (CCoV) has been reported causing enteric disease mainly in young pups. In this study, to investigate immunity and exposure to CCoV, was estimated the frequency of serum antibodies to CCoV in 121 dogs in the Pelotas, South of Brazil, by serum neutralization test (SN): 22 had not been vaccinated, 69 had been vaccinated at least once, and 30 had unknown vaccination history. Antibodies were present in 47,8% (33/69) of the vaccinated dogs, in 45,5% (10/22) of the unvaccinated, and in 43,3% (13/30… Show more

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Cited by 5 publications
(7 citation statements)
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“…Epidemiological investigations have revealed that CCoVs have spread worldwide (Decaro et al, 2009Erles & Brownlie, 2009;McElligott et al, 2011;Naylor et al, 2001;Ntafis et al, 2013;Stavisky et al, 2012). Serological studies conducted in southern Brazil revealed the presence of antibodies to this virus in 45-50% of dogs, indicating that CCoVs are already widespread in the canine population (Castro et al, 2010a;Dezengrini et al, 2007). Nevertheless, no molecular characterization of CCoV strains has been reported to date.…”
Section: Introductionmentioning
confidence: 99%
“…Epidemiological investigations have revealed that CCoVs have spread worldwide (Decaro et al, 2009Erles & Brownlie, 2009;McElligott et al, 2011;Naylor et al, 2001;Ntafis et al, 2013;Stavisky et al, 2012). Serological studies conducted in southern Brazil revealed the presence of antibodies to this virus in 45-50% of dogs, indicating that CCoVs are already widespread in the canine population (Castro et al, 2010a;Dezengrini et al, 2007). Nevertheless, no molecular characterization of CCoV strains has been reported to date.…”
Section: Introductionmentioning
confidence: 99%
“…More severe enteric disease occurs with CCoV and CPV2 coinfection (Decaro et al 2004) [EB1]. Published studies have demonstrated that commercial inactivated enteric CCoV vaccines induce only transient serum antibody responses and do not reduce viral infection or faecal shedding of virus compared with non-vaccinated dogs (Pratelli et al 2003, de Castro et al 2010 [EB1]. Moreover, injectable CCoV vaccine does not lead to elevation of faecal CCoV-specific IgA antibody concentration, which is believed to underlie immune protection (Decaro et al 2004)…”
Section: Canine Vaccination: Aspirational Protocolsmentioning
confidence: 99%
“…Contudo, alguns estudos demonstram a baixa eficácia de algumas vacinas inativadas em reduzir a disseminação do CCoV nas fezes de cães, após contato com o vírus (3) . Além disso, há trabalhos que evidenciam a existência de uma grande proporção de cães vacinados para CCoV e CPV soronegativos ou com títulos de anticorpos abaixo do considerado protetor, indicando falha na imunização (4)(5)(6) . Por conseguinte, busca-se a identificação de novas substâncias que, associadas às vacinas, sejam capazes de resultar na estimulação de uma resposta imunitária adequada, conferindo proteção contra essas enfermidades (7) .…”
Section: Introductionunclassified