What is the difference between FIV and FeLV?
They have different modes of transmission.
What is FeLV antigen test?
It is used to screen all cats for the presence of feline leukemia virus （FeLV） antigen in feline serum, plasma or anticoagulated whole blood.
How common is a false positive feline leukemia test?
In leukemia test, serum is used as sample, if your kitten has been vaccinated before, it is likely to get a positive result with antibody test. This is not false positive.