Narcolepsy and hypersomnia in Norwegian children and young adults following the influenza A (H1N1) 2009 pandemic. 2017, Trogstad, Vaccine

The risk of narcolepsy in vaccines from swine flu in 2009 was increased 17 times. In another study the risk narcolepsy was increased 4 to 9 times. In the third 14-16 times.
In a similar Swedish study it turned out that narcolepsy after this vaccine is much more often accompanied by psychiatric abnormalities.

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