单纯疱疹病毒 (ＨＳＶ)感染和传染性软疣 (ＭＣ)临床上常见 ,在人群中ＨＳＶ感染占 50 %到几乎10 0 % ,ＭＣ主要累及儿童、性活跃的成人和免疫缺陷者。人类免疫缺陷病毒 (ＨＩＶ)感染者中ＭＣ的罹患率为 5%～ 18% ,然而这些病毒导致毛囊炎则罕见 ,并可认为是免疫抑制的征象 (例 Herpes simplex virus (HSV) infection and molluscum contagiosum (MC) are clinically common, and HSV infections account for 50% to almost 100% of the population. MC mainly affects children, sexually active adults and immunocompromised persons. The prevalence of MC among human immunodeficiency virus (HIV) infections is 5% to 18%, however, these viruses cause folliculitis and are rare and may be considered as signs of immunosuppression