ABSTRACT OBJECTIVES To investigate the relationship between vaccination coverage indicators and the structure of primary care for immunization in Brazilian municipalities. METHODS This was a time series ecological study using data from the National Immunization Program Information System (SI-PNI) and the National Program for Improving Primary Care Access and Quality (PMAQ) over three evaluation cycles. A total of 13 variables were assessed, five of which related to the structure of basic health units (BHU) and eight to the availability of […]

The scope and coverage of the Brazilian Immunization Program can be compared with those in developed countries because it provides a large number of vaccines and has a considerable coverage. The increasing complexity of the program brings challenges regarding its development, high coverage levels, access equality, and safety. The Immunization Information System, with nominal data, is an innovative tool that can more accurately monitor these indicators and allows the evaluation of the impact of new vaccination strategies. The main difficulties […]