title: Response to letter from Lars Andersson.
authors.affiliation: Medical Products Agency, Uppsala, Sweden.
authors.forename: I
authors.initials: I
authors.lastname: Persson
authors.affiliation: Medical Products Agency, Uppsala, Sweden.
authors.forename: N
authors.initials: N
authors.lastname: Feltelius
mesh_terms: D003922:Diabetes Mellitus, Type 1; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human; D009290:Narcolepsy
chemical_list: D007252:Influenza Vaccines; C556153:pandemrix