Abstract
Objective: To evaluate the reports of programmatic errors in the administration of immunobiologicals seeking a greater knowledge of the events related to an inadequate procedure, gathering subsidies for the processes of training, updating and adoption of prevention measures. Methods: This study is a quantitative and descriptive evaluation of the notifications of programmatic errors made by health establishments in 2019 in the city of Porto Alegre. The information was taken from the Information System of the National Immunization Program (SI-PNI). Results: During the study period, 1,223,896 doses of vaccines were administered and 243 inadequate procedures were recorded. Among the notifications, predominated those related to the triple viral vaccine, tetraviral, hepatitis B and rotavirus. There was a predominance of errors related to the type of immunobiological used (27.2%). Conclusion: We verified that it is of paramount importance to identify immunization errors and their causes, in order to reduce the damages generated by these occurrences. It should be discussed, with professionals involved in vaccination activities, organizational, environmental and psychological factors, in addition to promoting training more frequently, in order to reinforce the information and update them of the modifications of the national calendar.