Correia, HelenaJúlio, CláudiaBaptista-Fernandes, TeresaFaria, Ana Paula2024-01-052024-01-052023-10http://hdl.handle.net/10400.18/8860The Parasite Morphology Programme was implemented in 1996 by the Portuguese External Quality Assessment Programme (PNAEQ), with a pilot round the previous year, which includes the assessment of stool and blood samples, as well as other matrices. The program is supported by a group of experts for sample selection and preparation, result analysis and training. Aim: Evaluation of the performance of participants in the parasite morphology program by optical microscopy (1996-2022).engParasite Morphologyxternal Quality AssessmentPrograma Nacional de Avaliação Externa da QualidadePNAEQAEQAvaliação Externa da QualidadePortugalconference object