progressive vaccinia

英 美
  • 进行性痘疹
  • progressive adj.先进的;前进的;渐进的;革新的(音乐上的)n.进步分子;革新主义者
  • vaccinia n.牛痘
Noun:
  1. a severe or even fatal form of vaccinia that occurs mainly in persons with an immunological deficiency; characterized by progressive enlargement of the initial lesion