Immunofitness: Vaccination for Healthy Aging

[Ana Isabel]

"[...] Conclusions

Overall, the results were consistent with the hypothesis that vaccination can play a relevant role in improving immune resilience, “although we were particularly struck by the magnitude of the evidence linking influenza vaccination to reduction in cardiovascular events, as well as by emerging data that suggest broader benefits for some vaccines — such as the shingles vaccine — in areas like cognitive function. While these latter findings should be interpreted cautiously, they would nonetheless represent a very significant gain for public health,” Martinón-Torres acknowledged.

Therefore, vaccination should be considered a key preventive intervention not only against infections but also against cardiovascular events and clinical decompensation. Many exacerbations of heart failure, chronic lung disease, or diabetes are triggered by respiratory infections, so preventing these infections can indirectly reduce the burden of cardiovascular and metabolic disease. Improving immunofitness through vaccination could translate into a significant reduction in hospitalizations, complications, and healthcare resource use in an increasingly aged population.

However, we cannot place all responsibility for healthy aging on vaccination alone. A holistic approach is essential. Yes, “Vaccination should be part of routine health promotion strategies for older adults, and everyone should receive at least the vaccines available to them through free vaccination schedules. But adequate nutrition, regular physical activity, restorative sleep, avoidance of harmful habits, stress reduction, and control of chronic diseases should also be encouraged. Integrating these interventions would allow us to address functional decline associated with aging within the context of rapidly aging demographics  [...]."

Full paper available at 

https://www.medscape.com/s/viewarticle/immunofitness-vaccination-healthy-aging-2026a10007f5 

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