Evaluation of RNA Extraction-Free Method for Detection of SARS-CoV-2 in Salivary Samples for Mass Screening for COVID-19

Table 1

Comparison of results of salivary sample with the results of standard NPS using the BGI RT-PCR kit ().

NPS sample (BGI kit)		Positive	Negative	Total
RNA extraction-free method for saliva (BGI kit)	Positive	198	18	216
	Negative	34	345	379
	Total	232	363	595