AUTHOR=Sun Cuiming , Zhang Zhidan TITLE=SARS-CoV-2 detection via metagenomic next-generation sequencing of bronchoalveolar lavage fluid/sputum in lymphoma patients receiving B-cell-depleting therapy: a case report of two cases JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1434340 DOI=10.3389/fmed.2025.1434340 ISSN=2296-858X