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February 19, 2026Revista da Sociedade Brasileira de Medicina TropicalOpen Access

External Quality Assessment as a strategy for Chagas disease surveillance: a study in four municipalities of Pernambuco

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Authors

ESEfraim Naftali Lopes SoaresDRDayse da Silva RochaASAllan Pitta Seabra

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Overview

Demonstrates improved species identification in Chagas disease surveillance, suggesting better taxonomic accuracy in health labs.

Key Points

  • The aim is to evaluate the effectiveness of External Quality Assessment (EQA) in identifying triatomine species related to Chagas disease.
  • Conducted EQA in four municipalities in Pernambuco
  • Sent 12 adult Hemiptera specimens for identification to health laboratories
  • Evaluated accuracy of species identification by participating labs
  • Achieved 68% accuracy in species identification
  • Identified challenges with morphologically similar species like the genus Rhodnius
  • Highlighted the necessity of ongoing training for laboratory personnel

Cite This Study

Soares et al. (2026) studied this question.

synapsesocial.com/papers/6996a768ecb39a600b3ed053https://doi.org/10.1590/0037-8682-0361-2025
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