Introduction: Pre-hospital care professionals face situations in which they are very vulnerable to occupational risks of the biological type, due to direct and constant contact with patients in numerous adverse situations.Objective: To analyze the biological risks inherents to the nursing team of the Mobile Emergency Care Service (MECS) in Patos-PB. Method:The study was an exploratory, descriptive type, with a quantitative data approach. The research population was composed of all the nurses and nursing technicians employed in the MECS, Regional of Patos-PB who were available to participate in the research. Data were analyzed with SPSS software (version 21). Descriptive statistics of relative and absolute frequencies, central tendency (mean and median) and dispersion (standard deviation and minimum and maximum values) were used. Considering the small sample size, we adopted non-parametric inferential tests of Mann Whitney and Pearson's Chisquare test or Fisher's exact test, accepting as statistically significant that p <0.05. Results:The sample consisted of 45 professionals of the nursing team, with the majority (88.9%) being female and a prevalent age range from 27 to 33 years, a workload of 36 hours per week, with less than one year of performance in the service; 95.6% use the complete uniform; 97.8% make use of masks, and only 24.4% confirm wearing protective glasses; 31.1% perform reoccurrence of needles already contaminated, and 24.4% already suffered some type of accident with Biological Risks in the Professionals