A cross-sectional, household survey study was conducted. The sampling was by conglomerate 30/7, with sample size of 210 individuals aged ≥18 years, selected by simple random drawing. Adequate knowledge was defined as the individual who correctly answered at least 3 of 5 questions; adequate attitude, correctly answered 3 of 4 questions and adequate practice, to prove vaccination through vaccination card or certificate, with at least one dose of vaccine against covid-19. 