Five Leptospira spp. Antibody Point-of-Care Tests in Healthy Dogs Reveal Different Results After Revaccination Against Leptospirosis Article Swipe
YOU?
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· 2025
· Open Access
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· DOI: https://doi.org/10.3390/microorganisms13112604
The microscopic agglutination test (MAT) is the diagnostic standard for canine leptospirosis. However, it is a time-consuming process and does not differentiate between infection- and vaccine-induced antibodies. Canine Leptospira spp.-specific antibody point-of-care (POC) tests provide the rapid detection of immunoglobulin M (IgM) and/or G (IgG). IgM POC tests are considered to become negative more rapidly after vaccination, making them more effective at diagnosing leptospirosis in not-recently vaccinated dogs. This study analysed 582 serum samples of 97 healthy dogs using five different POC tests and the MAT before vaccination and 2, 4, 12, 26, and 52 weeks afterwards. Among the POC tests, three detected IgM antibodies, one detected IgG antibodies, and one detected both IgM and IgG. The results were analysed using mixed-effects logistic regression. Before vaccination, only 2/291 IgM tests were positive (0.7%), compared to 45/194 IgG tests (23.2%). All the POC tests became positive after vaccination, but IgM positivity occurred significantly less frequently (59/1746), especially >4 weeks post-vaccination (7/59 positive results), with 94.5–99.6% specificity compared to 41.4–77.8% in IgG tests. These findings support the use of IgM POC tests in vaccinated dogs, while IgG POC tests are more difficult to interpret.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/microorganisms13112604
- https://www.mdpi.com/2076-2607/13/11/2604/pdf?version=1763204908
- OA Status
- gold
- References
- 33
- OpenAlex ID
- https://openalex.org/W7105847833
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W7105847833Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/microorganisms13112604Digital Object Identifier
- Title
-
Five Leptospira spp. Antibody Point-of-Care Tests in Healthy Dogs Reveal Different Results After Revaccination Against LeptospirosisWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2025Year of publication
- Publication date
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2025-11-15Full publication date if available
- Authors
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Katharina Gesa Schmitt, Michele Bergmann, Hans Van Der Linden, Ahmed A. Ahmed, Reinhard K. Straubinger, Yury Zablotski, Katrin Hartmann, Katharina Gesa Schmitt, Michele Bergmann, Hans Van Der Linden, Ahmed A. Ahmed, Reinhard K. Straubinger, Yury Zablotski, Katrin HartmannList of authors in order
- Landing page
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https://doi.org/10.3390/microorganisms13112604Publisher landing page
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https://www.mdpi.com/2076-2607/13/11/2604/pdf?version=1763204908Direct link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/2076-2607/13/11/2604/pdf?version=1763204908Direct OA link when available
- Concepts
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Leptospira, Leptospirosis, Medicine, Direct agglutination test, Antibody, Immunoglobulin M, Immunology, Vaccination, Immunoglobulin G, Serology, Virology, Diagnostic test, Agglutination (biology), Latex fixation test, Specific antibody, Immunization, Immunoglobulin A, SerotypeTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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33Number of works referenced by this work
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| cited_by_percentile_year | |
| countries_distinct_count | 3 |
| institutions_distinct_count | 14 |
| citation_normalized_percentile.value | 0.829577 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |