Feline Leukemia Virus Quantitative Testing
Stage of infection | FeLV antigen by ELISA | Quantitative real-time PCR assay |
|---|---|---|
Abortive | Negative | Negative |
Regressive | Positive | Negative |
Negative | Positive (< 1 million copies per mL) | |
Positive | Positive (< 1 million copies per mL) | |
Progressive | Positive | Positive (≥1 million copies per mL) |
Positive | ||
Adapted from IDEXX https://catvets.com/public/images/Toolkit/Retrovirus/FIG-5-Table-1-hr.jpg. Reference: Beall MJ, Buch J, Cahill RJ, et al. Evaluation of a quantitative enzyme-linked immunosorbent assay for feline leukemia virus p27 antigen and comparison to proviral DNA loads by realtime polymerase chain reaction. Comp Immunol Microbiol Infect Dis 2019;67:101348. doi:10.1016/j.cimid.2019.101348 | ||