West Nile Virus -- what you should know
West Nile disease in humans was first detected in Uganda (hence the virus' name) in the 1930s and first appeared in the U.S. in the late 1990s. And was first detected in Arizona in…
West Nile disease in humans was first detected in Uganda (hence the virus' name) in the 1930s and first appeared in the U.S. in the late 1990s. And was first detected in Arizona in…