AUTHOR=Perestiuk Vita , Kosovska Tetyana , Dyvoniak Olha , Volianska Liubov , Boyarchuk Oksana 

TITLE=Vitamin D status in children with COVID-19: does it affect the development of long COVID and its symptoms?

JOURNAL=Frontiers in Pediatrics

VOLUME=13

YEAR=2025

URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1507169

DOI=10.3389/fped.2025.1507169

ISSN=2296-2360