Associations between clinical canine leishmaniosis and multiple vector-borne co-infections : A case-control serological study
Attipa, Charalampos (University of Liverpool. Department of Clinical Infection)
Solano Gallego, Laia. (Universitat Autònoma de Barcelona. Departament de Medicina i Cirurgia Animals)
Leutenegger, Christian M. (IDEXX Laboratories)
Papasouliotis, Kostas (IDEXX Laboratories)
Soutter, Francesca (University of London. Department of Pathobiology and Population Sciences)
Balzer, Jörg (IDEXX GmbH)
Carver, Scott (University of Tasmania. Department of Biological Sciences)
Buch, Jesse S. (IDEXX Laboratories)
Tasker, Séverine (Linnaeus Group)

Data:	2019
Resum:	Background: Dogs that have clinical leishmaniosis (ClinL), caused by the parasite Leishmania infantum, are commonly co-infected with other pathogens, especially vector-borne pathogens (VBP). A recent PCR-based study found that ClinL dogs are more likely to be additionally infected with the rickettsial bacteria Ehrlichia canis. Further information on co-infections in ClinL cases with VBP, as assessed by serology, is required. The research described in this report determined if dogs with ClinL are at higher risk of exposure to VBP than healthy control dogs using a case-control serology study. Results: Of the 47 dogs with ClinL, anti-E. canis/Ehrlichia ewingii antibodies were detected in 17 (36. 2%), anti-Anaplasma phagocytophilum/Anaplasma platys antibodies in 5 (10. 6%) and antigen for Dirofilaria immitis in 2 (4. 3%). Of the 87 control dogs, anti-E. canis/E. ewingii antibodies were detected in 14 (16. 1%) and anti-A. phagocytophilum/A. platys antibodies in 2 (2. 3%). No anti-Borrelia burgdorferi antibody tests were positive. No statistical differences between the ClinL dogs and control dogs regarding lifestyle or use of ectoparasitic prevention, were identified. The ClinL was significantly associated with anti-E. canis/E. ewingii antibodies (odds ratio = 2. 9, 95% confidence interval: 1. 3-6. 7, P = 0. 010) compared to controls by both multivariable logistic regression and structural equation modelling. Conclusions: It was demonstrated that an increased risk for E. canis/E. ewingii seropositivity is present in dogs with ClinL compared to clinically healthy control dogs, despite similar ectoparasitic prevention use and lifestyle. Based on these findings it is suggested that dogs with ClinL should not only be tested for E. canis co-infection using PCR but also serologically for E. canis/E. ewingii.
Nota:	Altres ajuts: BBSRC/BB/203919/Z/16/Z
Nota:	Altres ajuts: BBSRC/BB/1015655/1
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Gossos ; Leishmaniosi ; Ehrlichia canis ; Borrelia burgdorferi ; Acanthocheilonema reconditum ; Vectorborne pathogen ; Co-infection ; Cyprus ; Leishmania infantum
Publicat a:	BMC veterinary research, Vol. 15 Núm. 1 (18 2019) , p. 331, ISSN 1746-6148

DOI: 10.1186/s12917-019-2083-6
PMID: 31533745

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