Chagas Disease Chagas disease Humans human 129 Animals 123 Trypanosoma cruzi 115 nonhuman 105 article 81 Argentina 78 animal 71 controlled study 58 Male 57 Triatoma infestans 56 Insect Vectors 55 Triatoma 54 Female 53 parasitology 53 female 51 adult 47 male 47 Article 46 priority journal 45 disease transmission 39 transmission 38 disease carrier 37 Rural Population 35 Adult 34 unclassified drug 33 rural area 31 polymerase chain reaction 30