RPT-Narcolepsy link to Glaxo vaccine poses challenge for FDA
March 08, 2013 at 07:31 AM EST
March 7 (Reuters) - Growing evidence of a link between GlaxoSmithKline Plc's pandemic flu vaccine and an increase in narcolepsy cases among children who received it in Europe, is giving pause to health regulators weighing approval of a similar vaccine in the United States.