Argentina 6 Desmodus rotundus Animals 4 Animals, Wild 4 Article 4 Chagas Disease 4 Chagas disease 4 Chiroptera 4 Didelphis albiventris 4 Disease Reservoirs 4 Mammals 4 Opossums 4 Trypanosoma cruzi 4 animal 4 bat 4 disease carrier 4 isolation and purification 4 mammal 4 nonhuman 4 opossum 4 parasite isolation 4 parasitology 4 polymerase chain reaction 4 transmission 4 veterinary 4 wild animal 4 xenodiagnosis 4 Armadillos 2 Chaco [Argentina] 2 Conepatus chinga 2