What is West Nile Virus? Where did it come from?
West Nile Virus (WNV) is a mosquito-borne virus commonly found in Africa, West Asia and the Middle East. It was first identified in the U.S. in the late summer of 1999.
West Nile Virus (WNV) is a mosquito-borne virus commonly found in Africa, West Asia and the Middle East. It was first identified in the U.S. in the late summer of 1999.