AUTHOR= TITLE=Expression of Concern: Rapid scanning electron microscopy detection and sequencing of severe acute respiratory syndrome Coronavirus 2 and other respiratory viruses JOURNAL=Frontiers in Microbiology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2025.1656750 DOI=10.3389/fmicb.2025.1656750 ISSN=1664-302X