Influenza Vaccination in the Elderly: Seeking New Correlates of Protection and Improved Vaccines
- 1 December 2008
- journal article
- Published by Informa UK Limited in Aging Health
- Vol. 4 (6), 603-613
- https://doi.org/10.2217/1745509x.4.6.603
Abstract
Influenza is foremost among all infectious diseases for an age-related increase in risk for serious complications and death. Determining the benefit of current influenza vaccines is largely limited to epidemiologic studies, since placebo-controlled trials of influenza vaccines are no longer considered ethical in the older adult population. Vaccine effectiveness is calculated from the relative reduction in influenza outcomes in individuals who elect to be vaccinated compared with those who do not, the assumptions for which are diverse and have led to considerable controversy as to the exact benefit of influenza vaccination in older adults. In spite of this controversy, there is no doubt that new influenza vaccine technologies are needed to improve protection and reverse the trend of rising hospitalization and death rates related to influenza in older adults despite widespread influenza vaccination programs. This article will review the challenges to new vaccine development, explore the potential correlates...Keywords
Funding Information
- Novartis
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