Table 1 Eligibility Criteria

Population: Older adults (typically defined as over the age of 65, all studies with median age of over 65 or self-describing as relevant to older adults were included)

Intervention: Any intervention (e.g. educational campaigns, primary care changes, guidelines)

Comparator: Any comparator (e.g. no intervention, standard of care, another intervention)

Outcomes: Any outcome reported in the literature (e.g. vaccinations rates, clinical outcomes, awareness or education-related outcomes, implementation outcomes)