Faria, Ana PaulaCorreia, HelenaCardoso, AnaBrito, CristinaJúlio, Cláudia2015-01-192015-01-192014-10http://hdl.handle.net/10400.18/2672Introduction: PNAEQ (Programa Nacional de Avaliação Externa da Qualidade), has been implemented the Parasite morphology (blood and faeces) since 1995. The collaboration of experts has been an asset in sample selection and result analysis aimed at continuous improvement of the performance of the participants. The program includes three annual distributions being sent at least one stool and one blood sample per distribution. Aim: In this retrospective study, we intend to evaluate the participant performance since the beginning of the program until 2013, regarding the correct identification of faecal and blood parasites. The stages differentiation and quantification will be the subject of future analysis.engAvaliação Externa da QualidadeAEQPrograma Nacional de Avaliação Externa da QualidadePNAEQParasite MorphologyParasitologiaconference object