Chagas disease, caused by a parasite, affects people primarily in rural Latin America. But an estimated 300,000 residents of the U.S. have the disease, which can cause serious heart problems. Patient advocates call for much more aggressive efforts to fight it.
Chagas disease, caused by a parasite, affects people primarily in rural Latin America. But an estimated 300,000 residents of the U.S. have the disease, which can cause serious heart problems. Patient advocates call for much more aggressive efforts to fight it.