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Peer-reviewed veterinary case report

More accurate rapid test for feline leukemia virus in blood and plasma

By Pawelczak, Paweł et al.·Published in Virology journal·2025·Vet Planet sp. z o.o·View original on PubMed

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Original publication title: A novel and superior diagnostic test for feline leukemia virus: enhanced precision in rapid detecting viral antigen in blood, plasma and serum.

Species:
cat

Plain-English summary

A new test for feline leukemia virus (FeLV) has been developed that can quickly and accurately detect the virus in a cat's blood, plasma, or serum. This test was compared to five other rapid tests, and it showed the same high level of accuracy as the best available methods. Both the Vet Expert and SNAP tests achieved perfect sensitivity and specificity, meaning they correctly identified cats with and without the virus. This advancement could help veterinarians diagnose FeLV more effectively, leading to better care for affected cats.

People also search for: cat leukemia test · feline leukemia virus symptoms · best test for cat FeLV

Abstract

Feline leukemia virus (FeLV) significantly impacts feline health worldwide. Although several FeLV antigen rapid tests are available, selecting an accurate diagnostic tool remains a clinical challenge. In this paper, we present a novel and robust point-of-care assay that enables the precise diagnosis of FeLV antigen in blood, plasma, and serum and directly compared it with five other commercially available rapid FeLV antigen tests. Among the evaluated assays, Vet Expert and SNAP demonstrated 100% sensitivity, specificity, and accuracy, equaling gold-standard performance. Results demonstrate Vet Expert's superior diagnostic accuracy and practical applicability in both veterinary practice and disease control strategies.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/41275274/