{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T07:13:33Z","timestamp":1792566813494,"version":"4.5.0"},"reference-count":54,"publisher":"American Society of Tropical Medicine and Hygiene","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,5,1]]},"abstract":"<jats:p>\n                    A four-year longitudinal study of the structure of sylvatic transmission cycles of\n                    <jats:italic>Trypanosoma cruzi<\/jats:italic>\n                    , reservoir host competence and parasite discrete typing units was conducted in a disturbed rural area of the humid Chaco in Argentina. Among 190 mammals examined by xenodiagnosis and polymerase chain reaction amplification, the composite prevalence of infection was substantially higher in\n                    <jats:italic>Dasypus novemcinctus<\/jats:italic>\n                    armadillos (57.7%) and\n                    <jats:italic>Didelphis albiventris<\/jats:italic>\n                    opossums (38.1%) than in\n                    <jats:italic>Euphractus sexcinctus<\/jats:italic>\n                    (20.0%),\n                    <jats:italic>Tolypeutes matacus<\/jats:italic>\n                    (12.5%), and\n                    <jats:italic>Chaetophractus vellerosus<\/jats:italic>\n                    (6.3%) armadillos.\n                    <jats:italic>Trypanosoma cruzi<\/jats:italic>\n                    was detected for the first time in\n                    <jats:italic>Thylamys pusilla<\/jats:italic>\n                    small opossums and in two unidentified small rodents. Infection was spatially aggregated only in armadillos. All\n                    <jats:italic>Didelphis<\/jats:italic>\n                    were infected with\n                    <jats:italic>T. cruzi<\/jats:italic>\n                    I and all armadillo species were infected with\n                    <jats:italic>T. cruzi<\/jats:italic>\n                    III, implying two distinct sylvatic cycles with no inputs from the domestic cycle.\n                    <jats:italic>Dasypus<\/jats:italic>\n                    armadillos and\n                    <jats:italic>Didelphis<\/jats:italic>\n                    opossums were much more infectious to vectors than other armadillos, small opossums, or rodents.\n                  <\/jats:p>","DOI":"10.4269\/ajtmh.12-0519","type":"journal-article","created":{"date-parts":[[2013,3,25]],"date-time":"2013-03-25T21:38:40Z","timestamp":1364247520000},"page":"872-882","source":"Crossref","is-referenced-by-count":56,"title":["New Sylvatic Hosts of Trypanosoma cruzi and Their Reservoir Competence in the Humid Chaco of Argentina: A Longitudinal Study"],"prefix":"10.4269","volume":"88","author":[{"given":"M. Marcela","family":"Orozco","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gustavo F.","family":"Enriquez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juli\u00e1n A.","family":"Alvarado-Otegui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. Victoria","family":"Cardinal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alejandro G.","family":"Schijman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Uriel","family":"Kitron","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ricardo E.","family":"G\u00fcrtler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2795","reference":[{"key":"R1","series-title":"Trends Parasitol","first-page":"583","article-title":"The future of Chagas disease control","volume":"22","author":"Schofield","year":"2006"},{"key":"R2","series-title":"Control of Chagas Disease: Second Report of the WHO Expert Committee","author":"World Health Organization","year":"2002"},{"key":"R3","series-title":"Mem Inst Oswaldo Cruz","first-page":"1051","article-title":"A new consensus for Trypanosoma cruzi intraspecific nomenclature: second revision meeting recommends TcI to TcVI","volume":"104","author":"Zingales","year":"2009"},{"key":"R4","series-title":"Parasitology","first-page":"513","article-title":"Population structure and genetic typing of Trypanosoma cruzi, the agent of Chagas disease: a multilocus enzyme electrophoresis approach","volume":"120","author":"Barnabe","year":"2000"},{"key":"R5","series-title":"BMJ","first-page":"1444","article-title":"American trypanosomiasis (Chagas' disease) and the role of molecular epidemiology in guiding control strategies","volume":"326","author":"Miles","year":"2003"},{"key":"R6","series-title":"Am J Trop Med Hyg","first-page":"1041","article-title":"Genotyping of Trypanosoma cruzi: systematic selection of assays allowing rapid and accurate discrimination of all known lineages","volume":"81","author":"Lewis","year":"2009"},{"key":"R7","series-title":"Int J Parasitol","first-page":"225","article-title":"Origins of Chagas disease: Didelphis species are natural hosts of Trypanosoma cruzi I and armadillos hosts of Trypanosoma cruzi II, including hybrids","volume":"35","author":"Yeo","year":"2005"},{"key":"R8","series-title":"Vet Res","first-page":"26","article-title":"Trypanosoma cruzi: adaptation to its vectors and its hosts","volume":"40","author":"Noireau","year":"2009"},{"key":"R9","series-title":"PLoS Negl Trop Dis","first-page":"e510","article-title":"Trypanosoma cruzi IIc: phylogenetic and phylogeographic insights from sequence and microsatellite analysis and potential impact on emergent Chagas disease","volume":"3","author":"Llewellyn","year":"2009"},{"key":"R10","article-title":"Evaluaci\u00f3n Ecorregional del Gran Chaco Americano\/Gran Chaco Americano Ecoregional Assessment","author":"The Nature Conservancy (TNC), Fundaci\u00f3n Vida Silvestre Argentina (FVSA), Fundaci\u00f3n para el Desarrollo Sustentable del Chaco (DeSdel Chaco) y Wildife Conservation Society Bolivia (WCS)","year":"2005"},{"key":"R11","series-title":"Proc Natl Acad Sci USA","first-page":"16194","article-title":"Sustainable vector control and management of Chagas disease in the Gran Chaco, Argentina","volume":"104","author":"G\u00fcrtler","year":"2007"},{"key":"R12","series-title":"J Environ Manage","first-page":"99","article-title":"Sustainable management of the Gran Chaco of South America","volume":"57","author":"Bucher","year":"1999"},{"key":"R13","series-title":"Prensa Med Argent","first-page":"3","article-title":"New observations on the spontaneous infection of armadillos of the country by Trypanosoma cruzi","volume":"3","author":"Mazza","year":"1930"},{"key":"R14","series-title":"Investigaciones Cient\u00edficas de las Fuerzas Armadas Argentinas","first-page":"76","article-title":"Entomoepidemiology of the Argentine Republic","volume":"1","author":"Carcavallo","year":"1968"},{"key":"R15","series-title":"Biological and ecological factors in Chagas disease","first-page":"275","article-title":"Reservoirs of Trypanosoma (Schizotrypanum) cruzi (Chagas 1909)","author":"Barretto","year":"1985"},{"key":"R16","series-title":"Trans R Soc Trop Med Hyg","first-page":"38","article-title":"Sylvatic American trypanosomiasis in Argentina. 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