Fast and Sensitive Detection of SARS-CoV-2 Nucleic Acid Using a Rapid Detection System Free of RNA Extraction

Table 5

Potential interfering testing results.

Potential interfering substance	Concentration	Positive results (detected X/3)	Negative results (detected X/3)
Nasal secretion	2.5%	3/3	0/3
	5%	3/3	0/3
	10%	3/3	0/3
Dexamethasone	0.05 mg/L	3/3	0/3
	0.1 mg/L	3/3	0/3
	0.15 mg/L	3/3	0/3
Zanamivir	2.5 mg/L	3/3	0/3
	5 mg/L	3/3	0/3
	10 mg/L	3/3	0/3
Tobramycin	50 mg/L	3/3	0/3
	100 mg/L	3/3	0/3
	150 mg/L	3/3	0/3
Adrenalin	0.1 mg/L	3/3	0/3
	0.2 mg/L	3/3	0/3
	0.25 mg/L	3/3	0/3
Menthol	20 mg/L	3/3	0/3
	25 mg/L	3/3	0/3
	50 mg/L	3/3	0/3
Blood (human)	0.5%	3/3	0/3
	1%	3/3	0/3
	1.5%	3/3	0/3