COVID-19 mRNA Vaccine Effectiveness against Elderly Frail People.

Medicina (Kaunas)

Second Medical Clinic, School of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece.

Published: January 2023

The frail, elderly population is often characterized by poor immunogenicity post COVID-19 mRNA vaccination. "Inflame-ageing" and "immune-senescence" are pathogenetic mechanisms that might explain this phenomenon. Complex interplay with cytokines and microbiota is also implicated in this inflammatory cascade. The abovementioned population, although very important from immunologic perspective, has barely been included in the mRNA vaccination clinical trials.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9962607PMC
http://dx.doi.org/10.3390/medicina59020202DOI Listing

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