AUTHOR=

TITLE=Expression of concern: Evaluation of post-COVID mortality risk in cases classified as severe acute respiratory syndrome in Brazil: a longitudinal study for medium and long term

JOURNAL=Frontiers in Medicine

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1561115

DOI=10.3389/fmed.2025.1561115

ISSN=2296-858X