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Pandemic influenza vaccine lot distribution in 4–19-year-olds who developed narcolepsya after vaccination compared with the corresponding population of vaccinated 4–19-year-olds, Finland, 2009–2012
a Confirmed cases diagnosed by the end of 2012 [14].
The distribution of vaccine lots in those who developed narcolepsy does not differ from the distribution in the general population (chi-squared test for independence: p value = 0.315).
