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Anigen Rapid™ (top), Witness™ (bottom left) and SNAP Combo™ (bottom right) FIV antibody kits all reliably diagnose infection in FIV‐unvaccinated cats. Anigen Rapid™ and Witness™ kits, however, have an advantage over SNAP Combo™ kits in testing FIV‐vaccinated cats or when FIV vaccination status is unknown as they can differentiate uninfected FIV‐vaccinated and FIV‐infected cats.
