Vaccine Hesitancy Among Adults in India: A Systematic Review and Meta-Analysis Protocol
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Background
Vaccine hesitancy threatens public health progress, especially for populations lacking access to immunisation. Despite efforts to promote lifelong vaccination, adult immunisation is often overlooked. To create practical tools, understanding the level and types of vaccine hesitancy in adults is crucial. This review explores vaccine hesitancy in India’s adults, including psychological, social, and systemic factors influencing perceptions.
Methods
We will include observational studies and qualitative studies published in English that assessed vaccine hesitancy among Indian adults (above 18 years). We will search PubMed, Embase, Scopus, grey literature, and references. Two reviewers will independently review and screen studies and extract data using a standardised form. We will assess risk of bias using the JBI tools for observational studies and COREQ for qualitative studies. We will synthesise findings using either meta-analysis or narrative synthesis. sub-group analysis based on the type of vaccine and population. We will assess publication bias using funnel plots and Egger’s test.
Results
Since this is a protocol, results are not yet available. However, we expect to identify key trends related to the prevalence and determinants of vaccine hesitancy among Indian adults, particularly psychological, cultural, and systemic barriers. The synthesis should produce population-specific and vaccine-specific differences in vaccine hesitancy levels.
Conclusion
This review will synthesise evidence on adult vaccine hesitancy in India. The proposed evidence will be informing targeted interventions and will support policy-level efforts aimed at improving uptake of immunisations for adults and the vaccine confidence gap.
