Why Flu Vaccine May Cause Narcolepsy, World Health Organization Reveals  
2/11/2011 6:41:53 AM

Washington Post -- Scientists think they have found a clue to why there may be an increased risk for the sleeping disorder narcolepsy among some people who got the H1N1 flu vaccine: The cases appear to have occurred among those carrying a gene that increases the risk for the rare disorder, which causes people to suddenly fall asleep, according to the World Health Organization.