Table 1.

Eligibility criteria

Inclusion

Exclusion

English full-text publications Studies published after 2009 Primary, qualitative or mixed methods, empirical research (any descriptive or interpretive methodology) Studies that mention any aspect of trust concerning vaccines and vaccination, including mention of how trust may contribute to vaccine hesitancy Studies with the ‘primary focus’ on any component/aspect of vaccine hesitancy specific to a single vaccine (e.g. influenza) or specific to multiple vaccines, or does not specify a vaccine Peer-reviewed and published research work

Editorials, case reports, letters to the editor, or commentaries Work that has not been peer-reviewed or is not published or does not include primary qualitative data (e.g. theses) Work that is available in abstract or book chapter form only Studies that are labeled ‘qualitative’ but did not use a qualitative descriptive or interpretive methodology (e.g. experiments, surveys, or observational analyses using qualitative categorical variables) Ethical issues surrounding vaccine uptake, delivery, management, and delivery Articles that primarily focused on vaccine safety and efficacy but not specifically vaccine hesitancy in nurses and physicians