puma lentivirus puma lentivirus puma lentivirus (plv) is a retrovirus. a study in 2003 indicated that domestic cats infected with puma lentivirus or lion lentivirus (llv) began producing anti-fiv immune responses. puma lentivirus virus classification (unranked): virus realm: riboviria kingdom: pararnavirae phylum: artverviricota class: revtraviricetes order: ortervirales family: retroviridae genus: lentivirus species: puma lentivirus