Peer-reviewed veterinary case report
Ehrlichia and Anaplasma infections found in 70% of sick dogs in Panama
By Santamaria, Annamaria et al.·Published in Vector borne and zoonotic diseases (Larchmont, N.Y.)·2014·1 Instituto Conmemorativo Gorgas de Estudios de la Salud·View original on PubMed →
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Original publication title: Molecular diagnosis and species identification of Ehrlichia and Anaplasma infections in dogs from Panama, Central America.
- Species:
- dog
Plain-English summary
A group of 201 dogs in Panama showed symptoms of illness, and testing revealed that 163 of them were infected with either Ehrlichia or Anaplasma, two types of bacteria that can cause serious health issues. The most common infection was Ehrlichia canis, found in about 64% of the dogs, while 21% had Anaplasma platys. Many of the infected dogs had low red blood cell counts (anemia) and low platelet counts (thrombocytopenia), which can lead to bleeding problems. This study highlights the importance of diagnosing these infections in dogs, as early treatment can help improve their health and prevent complications.
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Abstract
The prevalence and distribution of Anaplasma and Ehrlichia were estimated in 201 symptomatic dogs from Panama by nested PCR and DNA sequencing of the 16S rRNA gene. In total, 163 dogs (70.6%; 163/201) were infected with either Anaplasma or Ehrlichia. On the basis of PCR results, the majority of cases were infected with E. canis (64.2%; 129/201) followed by 21.4% (43/201) with A. platys, whereas 7.5% (15/201) had Anaplasma/Ehrlichia co-infections. Further analyses of 16S rDNA partial sequences show sequence homology with E. canis and A. platys from other countries. Hematology findings from 79 E. canis PCR-positive dogs included anemia (74.7%), thrombocytopenia (81.9%), macroplatelets (29.1%), and leukopenia (6.3%). Among 16 A. platys PCR-positive dogs with available hematology, 62.5% were anemic, 75% had thrombocytopenia, and 100% had macroplatelets. On the basis of E.canis serology (enzyme-linked immunosorbent assay [ELISA]) (n=92 dogs), 30 dogs that were seropositive for E. canis were also PCR-positive, whereas among seronegatives (n=62), 10 were PCR-positive for E. canis. This study provides the first characterization of canine anaplasmosis and ehrlichiosis infections in Panama and is important to veterinary public health and comparative studies of these pathogens in the Americas.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/24746012/