Revista da Sociedade Brasileira de Medicina Tropical · 2026
External Quality Assessment as a strategy for Chagas disease surveillance: a study in four municipalities of Pernambuco.
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Soares Efraim Naftali Lopes, Rocha Dayse da Silva, Seabra Allan Pitta, Oliveira-Correia João Paulo Sales, Moraes Fernando Vinicius Gomes de, Silva Rafaella Albuquerque E, Galvão Cleber
Аннотация
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.
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.