As you know, AIDS is an acronym for "Acquired Immune Deficiency Syndrome" - therefore AIDS is a syndrome, i.e. a collection of well-known diseases, with well-known causes.
Kama unavyojua, UKIMWI ni kifupi cha "Ukosefu wa Kinga Mwilini" - kwa hiyo UKIMWI ni ugonjwa, ni.e. mkusanyo wa magonjwa yajulikanayo sana, pamoja na visababishi vinavyojulikana sana.