作者
Lynne S Cox, Ilaria Bellantuono, Janet M Lord, Elizabeth Sapey, Joan B Mannick, Linda Partridge, Adam L Gordon, Claire J Steves, Miles D Witham
发表日期
2020/11/1
期刊
The Lancet Healthy Longevity
卷号
1
期号
2
页码范围
e55-e57
出版商
Elsevier
简介
The COVID-19 pandemic serves as a potent reminder that older people are at very high risk of adverse outcomes from infectious disease because of comorbidities associated with ageing and decreased immunological competence (immunosenescence). Care home residents are particularly at risk because physiological vulnerability is compounded by cohabitation with other frail adults, increasing exposure and risk of infection. Immunosenescence not only increases susceptibility to disease but also blunts the effectiveness of vaccines1—one of our most powerful tools for preventing infections—with annual influenza vaccinations only 30–40% effective in the most at-risk older populations. In the race for creating a vaccine against COVID-19, immunosenescence is most likely to present a disincentive to the inclusion of older people in trials, and vaccine formulations effective in younger people (< 65 years) might not …
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LS Cox, I Bellantuono, JM Lord, E Sapey, JB Mannick… - The Lancet Healthy Longevity, 2020