Abstract
This article deals with the professional experiences of nurses in the face of Covid-19, in Primary Health Care. This is an exploratory, descriptive research with a qualitative approach, based on 41 interviews with PHC nurses in three municipalities in the state of Santa Catarina, carried out between October 2020 and February 2021. The categorization was followed. according to Bardin's content analysis, focusing on the category "Nursing Experiences and Practices in the face of the Covid-19 pandemic", and as subcategories: 1) Fear and Insecurity in the face of the unknown; 2) Reflections on life and profession; 3) Practices of nurses during the Covid-19 pandemic; and 4) Teamwork as a potentiator of care practices. It was identified that nurses experienced profound changes in their professional practices. Despite the evident work overload, uncertainties, fears and anxieties and other negative experiences experienced with the pandemic, it was possible to reflect on their performance in PHC, above all, as fundamental actors for the quality of public health care in Brazil. The difficulty of nurses with the use of Individual Protection Equipment is highlighted, however, despite the risks and challenges faced, they recognize the pandemic as a condition that enhances teamwork.