English Feline immunodeficiency virus Cited by user Artoria2e5 on 03 Mar 2020 Feline immunodeficiency virus (FIV) is a lentivirus that affects cats worldwide, with 2.5% to 4.4% of felines being infected.
English Viral infectivity factor Cited by user Artoria2e5 on 03 Mar 2020 Viral infectivity factor, or Vif, is an accessory protein found in HIV and other lentiviruses.