Table 1:

Eligibility criteria

Inclusion	Exclusion
• Primary quantitative, qualitative and mixed-methods studies • The primary aim of studies may include measuring the prevalence of COVID-19 vaccine hesitancy or attitudes to vaccines willingness to participate in vaccine trials or examining the motivations to reject or delay vaccination • Studies on general perceptions, attitudes or behaviors toward COVID-19 vaccines	• Commentaries, editorials, abstracts and evidence syntheses • Any articles (of any design) on vaccine hesitancy pertaining to non-COVID-19 vaccines including vaccines for other coronaviruses • Any articles pertaining to the cost, accessibility and convenience of COVID-19 vaccines • Articles on how COVID-19 affects routine vaccination rates