“First I have ever heard of this bug.”
Some have been warning about it for years.
http://www.freerepublic.com/tag/chagas/index?tab=articles
Chagas Disease May Be a Threat in South Texas, Says Researcher
Mon Oct 17 15:54:55 2011 · by SwinneySwitch
Impacts of Illegal Immigration: Diseases
Tue Jul 20 17:16:47 2010 · by Tolerance Sucks Rocks
New testing discloses a deadly danger is in Bexar [Chagas in Texas]
Sun Feb 15 10:07:35 2009 · by SwinneySwitch · 29 replies
Latin American Scourge turning up in U.S. immigrants (Chagas Disease)
Tue Nov 6 17:49:39 2007 · by television is just wrong ·
Parasite is a growing concern for healthcare profesionals
Thu Mar 15 10:35:15 2007 · by AngelesCrestHighway
Rare Infection Threatens to Spread in Blood Supply
Tue Nov 18 07:03:04 2003 · by neverdem
I read about it over 10 years ago at: www.americanpatrol.com
I notice the 2003 article you referenced. They didn’t start testing blood donations for it here in the states untill 2007.