Increased β‐haemolytic group A streptococcal M6 serotype and streptodornase B‐specific cellular immune responses in Swedish narcolepsy cases

Abstract

β-haemolytic GAS may be involved in triggering autoimmune responses in patients who developed narcolepsy symptoms after vaccination with Pandemrix in Sweden, characterized by a Streptococcus pyogenes M-type-specific IFN-γ cellular immune response.