West Nile virus cases dramatically increase in southern states

Published On: Aug 23 2012 09:26:46 PM EDT   Updated On: Aug 24 2012 08:57:30 AM EDT

In just one week, the number of cases of West Nile virus in America has almost doubled, increasing from 693 cases and 26 deaths to 1,221 cases and 42 deaths, according to the Centers for Disease Control and Prevention.