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WITNESS Dirofilaria®

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    • Rapid Immuno-Migration (RIM®) Assay for detection of adult female Dirofilaria immitis (heartworm) antigen in dogs and cats*.
    • Point-of-Care test with results in 10 minutes or less.
    • Suspicion of heartworm infestation in dogs or cats*.
    • Screening of dogs prior to commencement or resumption of Heartworm prevention programs where adult worms may be detectable.
    • Confirmation of efficacy of adulticidal treatment.
    • Patented RIM® technology.
    • Simple 2 step process with easy to read colour change result.
    • Quality European manufacturing.
    • Anti-coagulated whole blood (EDTA, Heparin), serum or plasma as sample.
    • Storage and testing at room temperature.
    • No additional equipment required.
    • Witness® Dirofilaria sensitivity 100% and specificity 98.3% (vs necropsy where adult female worm count
    • Witness® HW sensitivity 97.5% and specificity 100% (vs necropsy and ELISA).
    • The Witness® test performance is independent of circulating microfilaria and can be used to detect amicrolifaraemic or ‘occult’ infections
    • False negative results can occur with immature heartworm infections, worm burdens with 2 adult female worms, or male only infections.
    1. DOSSIER N° AWIDIRE Version N° 5 Canine Heartworm Antigen Test kit – January, 2008.
    2. Combined data from Witness® HW Efficacy Verification Study, May 16, 2006 and Witness® HW Serology Study, April 13, 2007.

    * Witness® heartworm detection kits share identical technology. Only Witness® HW is labelled for detection of feline HW.

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