A combined oro-nasopharyngeal swab is more sensitive than mouthwash in detecting SARS-CoV-2 by a high-throughput PCR assay.
Wiebke MichelJacqueline FärberMilica DilasHans-Gert HeuftIna TammerJannik BaarAchim J KaaschPublished in: Infection (2021)
Mouthwash is not as sensitive as combined oro-nasopharyngeal swab in detecting upper respiratory tract infection.