In-hospital heart failure medications, vaccination and health education in ICM vs. NICM. B blockers, beta blockers; ACEI, Angiotensin-converting-enzyme inhibitors; ARB, Angiotensin receptor blockers; ARNi, Angiotensin receptor-neprilysin Inhibitors; MRA, mineralocorticoid receptor antagonist; ASA, acetylsalicylic acid (aspirin); ISDN, isosorbide dinitrate.