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Evaluación Externa de la Calidad como estrategia para la vigilancia de la enfermedad de Chagas: un estudio en cuatro

Efraim Naftali Lopes Soares^1,2, Dayse da Silva Rocha², Allan Pitta Seabra²

¹Secretaria de Saúde de Caruaru, Caruaru, PE, Brasil.

Revista da Sociedade Brasileira de Medicina Tropical

|February 19, 2026

Abstracto

Background:

Triatomines are hematophagous insects that act as vectors of Trypanosoma cruzi, the causative agent of Chagas disease. External Quality Assessment (EQA) is a tool used for monitoring and improving taxonomic identification activities performed by the health laboratories in Brazil.

Methods:

EQA were conducted in four municipalities in the state of Pernambuco. Boxes containing a panel of 12 adult Hemiptera specimens (male and female) were sent for species identification.

Results:

The results revealed 68% accuracy, with difficulty for morphologically similar species, such as those of the genus Rhodnius.

Conclusions:

EQA is essential for monitoring laboratory performance, highlighting the need for ongoing training.

Palabras clave:

Enfermedad de Chagas Vigilancia Evaluación de la Calidad Triatominos Brasil Capacitación

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