Where is Omicron? Comparison of SARS-CoV-2 RT-PCR and Antigen Test Sensitivity at Commonly Sampled Anatomic Sites Over the Course of Disease.
medRxiv. 2022 Feb 9:2022.02.08.22270685. doi: 10.1101/2022.02.08.22270685. Preprint.
medRxiv. 2022.
PMID: 35169808
Free PMC article.