West Nile virus cases down in 2013There were fewer reported cases of West Nile virus in the United States in 2013 compared with the previous year, according to a new report from the Centers for Disease Control and Prevention<img src="http://feeds.feedburner.com/~r/foxnews/health/~4/lR2PoWZXYmM" height="1" width="1"/>
Source: West Nile virus cases down in 2013 (http://feeds.foxnews.com/~r/foxnews/health/~3/lR2PoWZXYmM/)