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Immunol Lett. 2014 Nov;162(1 Pt B):346-53. doi: 10.1016/j.imlet.2014.06.006. Epub 2014 Jun 21.

Immunosenescence and vaccine failure in the elderly: strategies for improving response.

Author information

1
Institute of Protein Biochemistry, National Research Council (CNR), 80131 Naples, Italy. Electronic address: d.boraschi@ibp.cnr.it.
2
Institute of Biomedical Technologies, CNR, 20090 Segrate, Italy. Electronic address: p.italiani@ibp.cnr.it.

Abstract

The immune system of the elderly is particularly susceptible to infectious diseases and displays reduced response to vaccination. The current vaccines, designed for young and adult individuals, proved less effective and less protective in old people. The world population is rapidly ageing, and consequently preventing infectious diseases in the elderly have become an important public health issue. To this end, it is necessary to develop novel vaccines especially suited to raising protective immunity in the ageing population. Approaches in this direction include high-dose vaccines, booster vaccinations, different immunisation routes, and use of new adjuvants. These approaches, still empirical, must be supported by intensive research to unravel the biological and molecular mechanisms underlying immunosenescence. Only this knowledge would allow us to design approaches to immune rejuvenation and more effective vaccines for protecting the elderly.

KEYWORDS:

Elderly; Immunosenescence; Vaccination

PMID:
24960535
DOI:
10.1016/j.imlet.2014.06.006
[Indexed for MEDLINE]

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