4.6 Article

The Late Asymptomatic and Terminal Immunodeficiency Phases in Experimentally FIV-Infected Cats-A Long-Term Study

Journal

VIRUSES-BASEL
Volume 15, Issue 8, Pages -

Publisher

MDPI
DOI: 10.3390/v15081775

Keywords

cat; FIV; lentivirus; lymphoma; chronic renal failure

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FIV is a lentivirus that infects domestic cats and causes immunodeficiency. The clinical effects of FIV infection on morbidity and mortality are still debated. In this study, we monitored a cohort of FIV-infected cats for more than thirteen years to investigate the immunopathogenesis and clinical disease of FIV infection.
Feline immunodeficiency virus (FIV) is a lentivirus in the family Retroviridae that infects domestic cats resulting in an immunodeficiency disease featuring a progressive and profound decline in multiple sets of peripheral lymphocytes. Despite compelling evidence of FIV-associated immunopathology, there are conflicting data concerning the clinical effects of FIV infection on host morbidity and mortality. To explore FIV-associated immunopathogenesis and clinical disease, we experimentally inoculated a cohort of four specific pathogen-free kittens with a biological isolate of FIV clade C and continuously monitored these animals along with two uninfected control animals for more than thirteen years from the time of inoculation to the humane euthanasia endpoint. Here, we report the results obtained during the late asymptomatic and terminal phases of FIV infection in this group of experimentally FIV-infected cats.

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