<prompt> Chagas disease is caused byTrypanosoma cruziLeishmania DonovaniGiardia LambliaToxoplasma gondii  <response>: Trypanosoma cruzi causes Chagas diseaseThey are introduced when infected kissing bug feces are rubbed into conjunctiva, bite site or a break in the skin.Unilateral swelling of the eyelids Romana;s sign is characteristic.Interstitial myocarditis is the most common serious condition.Invasion or toxic destruction of nerve plexuses in the alimentary tract wall leads to megaesophagus and megacolon Brazilian Chagas diseaseJawetz 27e pg: 715 