Argentina Chagas disease Humans Animals 82 Chagas Disease 78 human 74 Triatoma infestans 60 Trypanosoma cruzi 58 article 56 nonhuman 56 Triatoma 54 Insect Vectors 51 animal 49 Female 43 Male 41 female 41 Rural Population 39 disease transmission 35 male 35 rural area 35 controlled study 34 adult 31 transmission 30 disease carrier 29 parasite transmission 29 parasitology 29 Article 28 Dogs 27 insecticide 27 rural population 26