KS is much more common among subjects who acquire AIDS through sexual contact;almost all cases occur in homosexual or bisexual men, and KS in intravenous drug users or hemophiliacs is less frequent.

• KS更常见于性接触传播的AIDS患者，几乎所有的病例都发生于同性恋或双性恋的男性，而通过静脉注射毒品或血液传播感染AIDS的患者较少发生KS。