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Cumulative vaccine uptake for receiving any vaccine in Brazil, stratified by age group, January 2021 to January 2022. (a) Cumulative proportion of the population of individuals at least partially vaccinated, i.e., those who received at least one dose of the COVID-19 vaccine. (b) Fully vaccinated, individuals that complete the vaccination schedule. (c) Boosted-vaccinated, i.e., individuals who received the booster dose.
