UK study confirms GSK flu shot link to rare sleep disorder

LONDON (Reuters) – GlaxoSmithKline's Pandemrix swine flu vaccine has been linked to cases of the rare sleep disorder narcolepsy in children in a scientific study in England that confirms similar findings elsewhere in Europe. The vaccine, more than 30 million doses of which were given during the H1N1 flu pandemic in 2009-2010, contains a booster, or adjuvant, and may have triggered an adverse immune reaction in some children at higher genetic risk of narcolepsy, scientists said in new research published on Wednesday. …