Os novos contextos da disseminação de doenças: as alterações climáticas e a deslocalização de doenças endêmicas

Objective: to discuss the interrelationships of nature, health and Bioethics from the perspective of complex thinking and its repercussions with the new contexts of disease dissemination. Methods: narrative review of the literature on some situations involving the pandemic of COVID-19 and other issues at the level of planetary health. Results and Discussion: the multiple perspectives of a complex approach to issues involving nature, health and Bioethics are presented. The presentation and evaluation of these interrelationships aims to allow a better understanding of the spread of diseases and the possibility of implementing more effective actions in the area of health. Conclusion: it is possible to establish a better understanding of the health reality from the understanding of the impact of planetary health, the insertion of the human being into nature and the search for justifications for the adequacy of actions through bioethical reflections.