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The research project, which is being carried out by RVC student Collette Taylor for her PhD, is looking at the development of novel diagnostic targets to establish the specific leptospira implicated in canine clinical cases.
Collette said: "Existing leptospirosis diagnostics have a number of limitations. MAT serological testing may provide information that can be supportive of a serogroup diagnosis but may also provide false positives due to previous vaccination or indeed be confounded by cross-reactivity. It can also be difficult to interpret serology in the absence of paired samples.
"PCR tests are sensitive, usually specific, but are dependent on timing of sampling and do not tell you which serovar is concerned.
"My research is focused on offering more specialised diagnostic tests which can differentiate antibodies associated with infection from those due to vaccination. Extending this theme, our group is interested in further typing of samples where the Leptospiral DNA is identified using Multi-locus sequence typing (MLST). I am now at the stage of validation and we are able to offer additional testing of serum or blood test samples from confirmed clinical cases."
If you'd like to send in a sample for further tests, you will need to complete a questionnaire, and samples must be from confirmed cases of leptospirosis that have already undergone leptospirosis diagnostics from another laboratory.
John Helps, Senior Technical Manager, Companion Animals, MSD Animal Health said: "As a 3rd year PhD student Collette has two main areas of study. The first is looking at the risk factors of leptospirosis including ecological niche modelling for specific serogroups in different regions across the country. The second part is the development of new specialised diagnostic tests that can provide better targeted serological approaches to diagnosis of this disease."
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