COVID-19 vaccine trust and uptake: the role of media, interpersonal and institutional trust in a large population-based survey.

ABSTRACT:

Background

Vaccine uptake is critical to controlling COVID-19 and other infectious diseases, and trust in vaccines is a key determinant of vaccine coverage. This study aims to examine how individual characteristics and primary information sources during the pandemic influenced COVID-19 vaccine trust and uptake.

Methods

We performed a secondary analysis of the EPICOVID 2.0 survey, a Brazilian nationwide study (March-April 2024) that used multistage probabilistic sampling. Participants aged 18 or older from the EPICOVID 2.0 study were included in the analyses. Machine learning algorithms were employed to predict COVID-19 vaccine trust and uptake, measuring the influence of each covariate on the predicted probabilities.

Findings

Among 29,281 participants (63.9% women; me

SUBMITTER: Coelho LE 

PROVIDER: S-EPMC12744256 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature