Characterization of Covid-19 vaccines and outcomes in the older adults population: a scoping review
DOI:
https://doi.org/10.26694/reufpi.v14i1.6179Keywords:
Elderly, Elderly, 80 years or older, COVID-19, Eldery; OlderAbstract
Objective: To map, in the scientific literature, the relationship between the number of doses and manufacturers of Covid-19 vaccines administered and outcomes in the older adults population. Methods: Scoping review based on the six-step methodology outlined by the Joanna Briggs Institute (JBI). Nineteen primary studies published in English, Spanish, and Portuguese were included, retrieved from the PubMed, Web of Science, Scopus, and BVS databases. Results: Vaccination significantly reduced hospitalization and mortality rates among vaccinated older adults compared to those unvaccinated. Booster doses were assessed for their effectiveness, demonstrating increased protection and a sustained antibody response. Conclusion: Immunization played a crucial role in reducing hospitalizations and mortality among vaccinated older adults. Factors such as immunosenescence and comorbidities affect vaccine effectiveness, making long-term immunization with adherence to booster doses essential to ensure continued protection for this population.
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