2016
DOI: 10.5216/rpt.v45i1.39979
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Trypanosoma cruzi VECTOR INFECTION RATE IS UNDERESTIMATED IN SOME LOCALITIES IN THE STATE OF BAHIA

Abstract: A Bahia foi o último estado brasileiro a ser declarado livre da transmissão da doença deChagas pelo Triatoma infestans em 2006. O programa designado para controle vetorial da transmissão da doença de Chagas está atualmente ativo, e os potenciais triatomíneos coletados por funcionários do Departamento da Saúde do Estado da Bahia são praticamente todos diagnosticados como negativos para Trypanosoma cruzi quando analisados pelo método parasitológico convencional direto. O objetivo deste estudo foi investigar se o… Show more

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“…Trypanosoma cruzi infections in triatomines based on parasite morphology after optical microscopy are underestimated [39]. Consequently, the risk of T. cruzi transmission should be higher than the entomological-parasitological routine surveillance suggests [40, 41]. For example, test-specific naïve indices of T. cruzi infection in triatomines varied from 17.8%, considering only optical microscopy results, to 41.5%, considering PCR results (23.1% positive by conventional PCR and 41.3–41.4% by qPCR) [41].…”
Section: Discussionmentioning
confidence: 99%
“…Trypanosoma cruzi infections in triatomines based on parasite morphology after optical microscopy are underestimated [39]. Consequently, the risk of T. cruzi transmission should be higher than the entomological-parasitological routine surveillance suggests [40, 41]. For example, test-specific naïve indices of T. cruzi infection in triatomines varied from 17.8%, considering only optical microscopy results, to 41.5%, considering PCR results (23.1% positive by conventional PCR and 41.3–41.4% by qPCR) [41].…”
Section: Discussionmentioning
confidence: 99%