Cold sores caused by herpes virus type 1 are very contagious. 一型疱疹病毒造成的唇疱疹是非常易传染性的。
Annoying and definitely unsightly, cold sores, also called fever blisters or Herpes simplex, are groups of painful, fluid-filled blisters. 让人懊恼的和不悦目的唇疱疹，也叫单纯疱疹，是成组的，让人疼痛的，充满液体的水泡。
