The disease is often asymptomatic, with 70 to 80 percent of infected people remaining symptom-free their entire lives. But over time, parasites can cause chronic infections.
Health experts are calling on government officials to relabel a 'silent killer' disease spread by bugs as 'endemic' in the US.
Chagas disease is a dangerous infection caused by the parasite Trypanosoma cruzi.
The parasite is generally transmitted thr... [7010 chars]