Kivelä JM, Jarva H, Lappalainen M, Kurkela S. Saliva-based testing for diagnosis of SARS-CoV-2 infection: A meta-analysis. J Med Virol. 2020 Oct 20. doi: 10.1002/jmv.26613. Epub ahead of print. PMID: 33079392.
Diagnostic testing of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is primarily conducted from an upper respiratory specimen, like nasopharyngeal swab (NPS) or oropharyngeal swab (OPS) obtained by the health-care personnel.