Swine flu vaccine safety probed over link to rare sleep disorder

Swine flu vaccine safety probed over link to rare sleep disorder
http://www.telegraph.co.uk/health/healthnews/7967815/Swine-flu-vaccine-safety-probed-over-link-to-rare-sleep-disorder.html

"The safety of a swine flu vaccine is to be investigated by European drugs regulators after it was linked to a rare condition that causes people to fall asleep suddenly."