VOA慢速英语:Zika Virus Detected in Body Fluids

contaminate - v. to make something dangerous, dirty, or impure

blood transfusion - n. a medical treatment in which someone's blood is put into the body of another person

transmitted - v. to give to or pass

tropical - adj. of, relating to or used in warmer climates

outbreak - n. a sudden increase in the number of reports of a disease

global - adj. involving the whole world