Dear Doctors: I keep seeing on the news that we are having a lot more cases of West Nile virus here in Los Angeles than we used to. It seems like there are more mosquitoes here each year, so it does make sense. How do you know if you have West Nile, and what is the treatment? Is there a vaccine?
Dear Reader: West Nile virus is the leading cause of mosquito-borne illness in the contiguous United Sta…