期刊
AMERICAN JOURNAL OF EPIDEMIOLOGY
卷 169, 期 3, 页码 382-388出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/aje/kwn310
关键词
association; Great Britain; Guillain-Barre syndrome; influenza; human; influenza vaccines; safety
资金
- Department of Health Research and Development Division [121/7470]
In 1976, the national swine influenza vaccination program in the United States was suspended because of an increased risk of Guillain-Barre syndrome. Subsequent studies of seasonal influenza vaccine have given conflicting results. The authors used the self-controlled case series method to investigate the relation of Guillain-Barre syndrome with influenza vaccine and influenzalike illness using cases recorded in the General Practice Research Database from 1990 to 2005 in the United Kingdom. The relative incidence of Guillain-Barre syndrome within 90 days of vaccination was 0.76 (95% confidence interval: 0.41, 1.40). In contrast, the relative incidence of Guillain-Barre syndrome within 90 days of an influenzalike illness was 7.35 (95% confidence interval: 4.36, 12.38), with the greatest relative incidence (16.64, 95% confidence interval: 9.37, 29.54) within 30 days. The relative incidence was similar (0.89, 95% confidence interval: 0.42, 1.89) when the analysis was restricted to a subset of validated cases. The authors found no evidence of an increased risk of Guillain-Barre syndrome after seasonal influenza vaccine. The finding of a greatly increased risk after influenzalike illness is consistent with anecdotal reports of a preceding respiratory illness in Guillain-Barre syndrome and has important implications for the risk/benefit assessment that would be carried out should pandemic vaccines be deployed in the future.
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