The aim in this qualitative, exploratory and descriptive study was to identify and analyze performances in nurses' individual and collective care actions in the Family Health Strategy. After approval by the Ethics Committee, the data were collected through participant observation of a typical workweek of the nurses at five Famly Health Units in Ribeirão Preto, São Paulo, Brazil, totaling 200 hours. Thematic content analysis was applied. The results show the performances in: nursing visits, home visits, evaluation with risk rating, monitoring and evaluation of vaccines and adverse reaction to vaccines, educational care groups for vulnerable individuals and epidemiological surveillance. In conclusion, the nurses' work is developed with a focus on the biological, with initiatives to use tools that enable the expansion of clinical care and welcoming.
Professional competence; Primary health care nursing; Primary health care; Family Health Program