Risk of Myocarditis or Pericarditis With High-Dose vs Standard-Dose Influenza Vaccine: A Prespecified Secondary Analysis of the Randomized DANFLU-2 Trial. - Pareek M; Johansen ND; Modin D; Loiacono MM; Harris RC; Dufournet M; Larsen CS; Larsen L; Wiese L; Dalager-Pedersen M; Claggett BL; Janstrup KH; et al. (JAMA network open, 2025)