The hantavirus,a rodent-borne killer that swept through the Four Corners area of the American Southwest last spring,has claimed its first life in the Northeast.

• 曾经在去年春天横扫美国西南部西角区的病毒性流感，是一种借由啮齿类动物传染的杀手级病毒，最近在美国的东北部造成了该地区第一个死亡病例。