NCIt definition : A genus of the family Retroviridae consisting of non-oncogenic retroviruses that produce
multi-organ diseases characterized by long incubation periods and persistent infection.
Lentiviruses are unique in that they contain open reading frames (ORFs) between the
pol and env genes and in the 3' env region. Five serogroups are recognized, reflecting
the mammalian hosts with which they are associated. HIV-1 is the type species.;
Alternative definition : CDISC: Any viral organism that can be assigned to the genus Lentivirus.;