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.
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範围，包括汉他病毒、伊波拉病毒、西尼罗病毒、登革热、爱滋病等。