Late delirious behavior with 2009 H1N1 influenza: mild autoimmune-mediated encephalitis?

Delirious behavior associated with influenza usually has an onset within a few days after fever and lasts <24 hours. As we encountered several patients with 2009 H1N1 influenza who presented with late-onset and long-standing delirious behavior, we retrospectively evaluated the clinical, radiologic, and laboratory features to elucidate the possible… CONTINUE READING