Most people infected with mosquito-borne West Nile virus don’t experience any symptoms at all. However, the tiny percentage of cases that do end up in the hospital total hundreds of millions of dollars in medical costs and lost productivity.
Most people infected with mosquito-borne West Nile virus don’t experience any symptoms at all. However, the tiny percentage of cases that do end up in the hospital total hundreds of millions of dollars in medical costs and lost productivity.