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This is a theoretical reflection on the exercise of qualitative research in health, and it presents the concept of event in Foucault and Deleuze, based on the production of researchers. The event is explored as an element which is becoming, as a support for the researcher’s displacement in the act of investigation, and its perspective is centered on the process of subjectivation of the subjects involved in the study. In the research, the event is faced with different situations that produce deviations from the path previously traced and that call for new territories. Furthermore, the concept of event in health research consists of the construction of a permeable investigation, based on the uniqueness of the subject, subjectivity, in encounters, is not detached from everyday life, and requires availability for crossings, affectations, and estrangements that come with care processes.
Access in: https://doi.org/10.1590/interface.210089
Keywords: Qualitative research, Health, Concept, Event