AUTHOR=Karcioglu Ozgur TITLE=Editorial: Impact of COVID-19 pandemics and syndemics on healthcare systems worldwide JOURNAL=Frontiers in Pediatrics VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2024.1523617 DOI=10.3389/fped.2024.1523617 ISSN=2296-2360