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Our FIV Ab test detects IgG antibodies against FIV.

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Rapid Ab test may show negative results in very initial or terminal phase. It is known that in case of FIV, the antibody begin to develop after 60 days of exposure in most cats, and development of detectable antibodies may be considerably delayed in some cats. In terminal cases, compromised immune system result in lack of antibody development which may show negative results regardless of severe clinical signs. The latter fits in this case. We recommend you to repeat test minimum of 60 days after the last potential exposure.

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FIV vaccination induce humoral immunity for antibodies to develop, and normal antibody test does not distinguish vaccination and natural infection.(Our Bionote FIV Ab kit can differentiate the natural infection from vaccination because it only detect the Ab produced by natural infection) In adult case, vaccine history or other DIVA method should be check for misdiagnosis. There are many cases of misdiagnosis of infection in uninfected cats which may lead to inappropriate changes in lifestyle or even euthanasia.

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Cats infected with FIV have low levels of viral antigen in their blood, which has prevented the use of inclinic screening assays based on antigen detection as used in diagnosis of feline leukemia virus (FeLV). However, cats with FIV generally produce high levels of antiviral antibodies. Since FIV produces a persistent, lifelong infection, detection of antibodies in peripheral blood of unvaccinated cats is considered sufficient for routine diagnostic screening.

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 Bionote Rapid FIV Ab Test Kit differentiate the antibodies induced by natural infection and vaccination both.