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首页> 外文期刊>Human vaccines >A dose-ranging study in older adults to compare the safety and immunogenicity profiles of MF59~R-adjuvanted and non-adjuvanted seasonal influenza vaccines following intradermal and intramuscular administration
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A dose-ranging study in older adults to compare the safety and immunogenicity profiles of MF59~R-adjuvanted and non-adjuvanted seasonal influenza vaccines following intradermal and intramuscular administration

机译:一项针对老年人的剂量范围研究,比较了皮内和肌肉内注射MF59〜R佐剂和非佐剂的季节性流感疫苗的安全性和免疫原性

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摘要

Influenza is a highly contagious disease, which is associated with substantial morbidity and mortality, especially among vulnerable populations such as the elderly.1'2 Preventative, annual vaccination continues to be the most effective strategy to control influenza, and is recommended for all individuals aged 65 y and above.3 However, the clinical efficacy of conventional influenza vaccines decreases with advancing age, and drops from 70-90% in young adults to 17-53% in adults over 65 y of age.4 This reduced immune response in older adults is mainly due to immunosenescence, i.e., an age-related decline in innate and adaptive immune function.5'6 To compensate for the effects of immunosenescence, strategies to enhance the immunogenicity and consequent clinical efficacy of influenza vaccines in older adults are needed to alleviate the burden of influenza-related disease in this rapidly increasing section of the population.
机译:流感是一种高度传染性疾病,与高发病率和高死亡率相关,尤其是在老年人等弱势人群中。1'2预防性年度疫苗接种仍然是控制流感的最有效策略,建议所有年龄段的人都可以使用65岁及以上。3但是,常规流感疫苗的临床疗效随年龄的增长而降低,从年轻人中的70-90%降至65岁以上的成年人中的17-53%。4这降低了老年人的免疫反应成人的主要原因是免疫衰老,即与年龄相关的先天和适应性免疫功能下降。5'6为了补偿免疫衰老的影响,需要采取策略提高老年人的流感疫苗的免疫原性和相应的临床疗效,以期减轻了这一迅速增加的人口中与流感有关的疾病的负担。

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