{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T14:54:57Z","timestamp":1761490497839},"reference-count":32,"publisher":"FapUNIFESP (SciELO)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cad. Sa\u00fade P\u00fablica"],"abstract":"<jats:p>Apesar do decl\u00ednio na preval\u00eancia da doen\u00e7a de Chagas no Brasil, a Regi\u00e3o Nordeste apresenta condi\u00e7\u00f5es prop\u00edcias ao seu recrudescimento. O objetivo deste estudo foi analisar a positividade por doen\u00e7a de Chagas entre doadores de sangue do Piau\u00ed entre 2004 e 2013. A preval\u00eancia de sorologia reagente para doen\u00e7as de Chagas na triagem de doadores foi de 1%, variando de 0,4% na Regional de Sa\u00fade de Uru\u00e7u\u00ed a 2,4% na Regional de Sa\u00fade de S\u00e3o Raimundo Nonato. Dos 220 munic\u00edpios, 58,6% apresentaram casos. Apenas 34,5% das amostras positivas na triagem foram encaminhadas para testes complementares e entre estes, 84,4% apresentaram resultados negativos. Nossos resultados indicam a possibilidade da manuten\u00e7\u00e3o da transmiss\u00e3o vetorial em \u00e1reas do Estado do Piau\u00ed e a necessidade da implanta\u00e7\u00e3o de a\u00e7\u00f5es que melhorem o \u00edndice de realiza\u00e7\u00e3o dos testes complementares referentes aos casos positivos na triagem.<\/jats:p>","DOI":"10.1590\/0102-311x00123716","type":"journal-article","created":{"date-parts":[[2018,2,19]],"date-time":"2018-02-19T20:38:17Z","timestamp":1519072697000},"source":"Crossref","is-referenced-by-count":7,"title":["Preval\u00eancia da doen\u00e7a de Chagas entre doadores de sangue do Estado do Piau\u00ed, Brasil, no per\u00edodo de 2004 a 2013"],"prefix":"10.1590","volume":"34","author":[{"given":"Melissa Palis","family":"Santana","sequence":"first","affiliation":[{"name":"Centro de Hematologia e Hemoterapia do Piau\u00ed,  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