Comparison of Saliva and Nasopharyngeal Swab Nucleic Acid Amplification Testing for Detection of SARS-CoV-2: A Systematic Review and Meta-analysis

Review (16 highly variable studies; n= 5922) reported similar diagnostic accuracy between the saliva and nasopharyngeal swab tests (pooled sensitivity 83.2% vs 84.8%; pooled specificity 99.2% vs 98.9%), thus supporting larger-scale research on the use of saliva tests

Source:

JAMA Internal Medicine