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Shingles Vaccine May Slow Aging in Seniors

1/20/2026

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Summary

Story summary

A study from the USC Leonard Davis School of Gerontology suggests shingles vaccination may slow biological aging in adults aged 70 and older based on data from more than 3,800 participants.
Vaccinated individuals exhibited lower inflammation and slower epigenetic and transcriptomic aging.
The study notes limitations, including unexpected immune responses and need for further research, especially on newer vaccines such as Shingrix.
Overall, the findings suggest vaccines could promote healthier aging.

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Story summary

A study from the USC Leonard Davis School of Gerontology suggests shingles vaccination may slow biological aging in adults aged 70 and older based on data from more than 3,800 participants.
Vaccinated individuals exhibited lower inflammation and slower epigenetic and transcriptomic aging.
The study notes limitations, including unexpected immune responses and need for further research, especially on newer vaccines such as Shingrix.
Overall, the findings suggest vaccines could promote healthier aging.