http://www.dailymail.co.uk/news/article-2827116/Kissing-bug-disease-infected-300-000-people-don-t-know-parasite-referred-new-AIDS.html
'We were astonished to not only find such a high rate of individuals testing positive for Chagas in their blood, but also high rates of heart disease that appear to be Chagas-related,' said Nolan Garcia, an epidemiologist at the Baylor College of Medicine.
The CDC has said that they believe most of the people infected with Chagas got the parasite in Mexico or South America before coming to the U.S.