During the past several decades, alteration of habitats has also encouraged the expansion of such diseases as hantavirus, Ebola, West Nile virus, dengue fever and AIDS.

• 在过去数十年间，许多疾病都因为栖境改变而扩张范围，包括汉他病毒、伊波拉病毒、西尼罗病毒、登革热、爱滋病等。