Table 3.

Comparison of different methods used for the detection of SARS-CoV-2

	Method	Sample type	LOD	Reference
1	RT-PCR	Viral -RNA	0.91 copies/mL	[30]
2	RT-PCR	RdRp gene	3.6 copies/reaction	[7]
3	Field effect transistor	S-protein antibody	16 copies/mL	[31]
4	RT-LAMP	mRNA	50 copies/μL	[33]
5	RT-q(PCR-LAMP)	mRNA	5 copies/reaction	[34]
6	ITP-Crisper	cDNA of mRNA	10 copies/μL	[35]
7	Molecular POC	mRNA	10 copies/μL	[36]
8	Electrochemical	Viral antigen	0.8 pg/mL	[37]
9	Lateral flow immunoassay	IgM/IgG	1 pg/mL	[38]
10	Fluorescence	Protease	0.9 copies/mL	[This study]