https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-023-08271-3
Background While nasopharyngeal (NP) swabs are considered the gold standard for severe acute respiratory coronavirus 2 (SARS-CoV-2) real-time reverse transcriptase-polymerase chain reaction (RT-PCR) detection, several studies have shown that saliva is an alte…
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