Multisociety multispecialty position statement on corticosteroid injections and influenza and COVID-19 vaccine administration. - Benzon HT; FitzGerald J; Flaherty JP; Cohen SP; Doshi TL; Mina M; Abdi S; Abd-Elsayed A; Chadwick A; Eckmann MS; Elmofty D; Hirsch JA; et al. (Regional anesthesia and pain medicine, 2026)