 Chagas disease is a growing problem in Europe , because the majority of cases with chronic infection are asymptomatic and because of migration from Latin America . 
 Chagas disease <a href='drop_aux' title='1'><mark>is</mark></a>a growing problem in Europe , because the majority of cases with chronic infection <a href='drop_aux' title='2'><mark>are</mark></a>asymptomatic and because of migration from Latin America . 
Chagas disease a growing problem in Europe , because da majority of cases with chronic infection asymptomatic and cause of migration from Latin America .