Aritcle is from yesterday. Please disregard if another thread exists (I didn't look).
http://www.reuters.com/article/2012/08/24/us-usa-health-parasites-idUKBRE87N0UW20120824
http://www.reuters.com/article/2012/08/24/us-usa-health-parasites-idUKBRE87N0UW20120824