Research News

Pandemic vaccines and small excess of Guillain-Barré cases

BMJ 2013; 346 doi: http://dx.doi.org/10.1136/bmj.f1714 (Published 20 March 2013) Cite this as: BMJ 2013;346:f1714

US researchers have identified a small excess risk of Guillain-Barré syndrome associated with vaccination against pandemic influenza (H1N1). National surveillance systems captured 77 cases of the syndrome in 23 million vaccinated people. Twice as many diagnoses occurred in the 42 …

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