MINIREVIEWS

1. COVID-19 vaccine-associated myocarditis
2. Heart failure in general and cardiac transplant patients with COVID-19

ORIGINAL ARTICLE

1. Is there a window of opportunity to optimize trastuzumab cardiac monitoring?
2. Vitamin d deficiency and metabolic syndrome:The joint effect on cardiovascular and all-cause mortality in the United States adults
3. National trend of heart failure and other cardiovascular diseases in people living with human immunodeficiency virus

LETTER TO THE EDITOR

1. Heart failure with reduced,mildly reduced,or preserved left ventricular ejection fraction: Has reasoning been lost?