<p>A cross-sectional, household survey type study was conducted. The sampling was by cluster 30x7, in each of the 30 clusters seven people would be interviewed, totaling 210. The selection of Bissau, the country's capital, was by convenience. The selection of clusters, blocks, households, and individuals to be interviewed was by simple random drawing. A vaccinated individual was defined as an eligible individual who provided proof, through a vaccination card or certificate, of at least one dose of the covid-19 vaccine. Simple and relative frequencies, measures of central tendency and dispersion, prevalence ratio (PR), 95% confidence intervals (95%CI), and design effect (DE) were calculated.</p>