Longitudinal parental perception of COVID-19 vaccines for children in a multi-site, cohort study.

Publication date: Feb 02, 2024

Pediatric COVID-19 vaccine hesitancy and uptake is not well understood. Among parents of a prospective cohort of children aged 6 months-17 years, we assessed COVID-19 vaccine knowledge, attitudes, and practices (KAP), and uptake over 15 months. The PROTECT study collected sociodemographic characteristics of children at enrollment and COVID-19 vaccination data and parental KAPs quarterly. Univariable and multivariable logistic regression models were used to test the effect of KAPs on vaccine uptake; McNemar’s test for paired samples was used to evaluate KAP change over time. A total of 2,837 children were enrolled, with more than half (61 %) vaccinated by October 2022. Positive parental beliefs about vaccine safety and effectiveness strongly predicted vaccine uptake among children aged 5-11 years (aOR 13. 1, 95 % CI 8. 5-20. 4 and aOR 6. 4, 95 % CI 4. 3-9. 6, respectively) and children aged 12+ years (aOR 7. 0, 95 % CI 3. 8-13. 0 and aOR 8. 9, 95 % CI 4. 4-18. 0). Compared to enrollment, at follow-up parents (of vaccinated and unvaccinated children) reported higher self-assessed vaccine knowledge, but more negative beliefs towards vaccine safety, effectiveness, and trust in government. Parents unlikely to vaccinate their children at enrollment reported more positive beliefs on vaccine knowledge, safety, and effectiveness at follow-up. The PROTECT cohort allows for an examination of factors driving vaccine uptake and how beliefs about COVID-19 and the COVID-19 vaccines change over time. Findings of the current analysis suggest that these beliefs change over time and policies aiming to increase vaccine uptake should focus on vaccine safety and effectiveness.

Concepts Keywords
11years Children
15months COVID-19
Driving Vaccine acceptance


Type Source Name
disease MESH COVID-19
disease IDO site
disease VO COVID-19 vaccine
disease VO vaccination
disease VO vaccine
disease VO time
disease VO vaccinated
disease VO effectiveness
disease VO unvaccinated

Original Article

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